diff --git a/src/FFMpeg/Coordinate/AspectRatio.php b/src/FFMpeg/Coordinate/AspectRatio.php
index a3c298a..294b8ca 100644
--- a/src/FFMpeg/Coordinate/AspectRatio.php
+++ b/src/FFMpeg/Coordinate/AspectRatio.php
@@ -74,7 +74,7 @@ class AspectRatio
     }
 
     /**
-     * Compute the best width for given height and modulus.
+     * Computes the best width for given height and modulus.
      *
      * @param Integer $height
      * @param Integer $modulus
@@ -93,7 +93,7 @@ class AspectRatio
     }
 
     /**
-     * Compute the best height for given width and modulus.
+     * Computes the best height for given width and modulus.
      *
      * @param Integer $width
      * @param Integer $modulus
diff --git a/src/FFMpeg/Coordinate/Dimension.php b/src/FFMpeg/Coordinate/Dimension.php
index 15e448d..4103807 100644
--- a/src/FFMpeg/Coordinate/Dimension.php
+++ b/src/FFMpeg/Coordinate/Dimension.php
@@ -22,10 +22,9 @@ class Dimension
     private $height;
 
     /**
-     * Constructor
-     *
      * @param  integer                  $width
      * @param  integer                  $height
+     *
      * @throws InvalidArgumentException when one of the parameteres is invalid
      */
     public function __construct($width, $height)
@@ -39,7 +38,7 @@ class Dimension
     }
 
     /**
-     * Return width
+     * Returns width.
      *
      * @return width
      */
@@ -49,7 +48,7 @@ class Dimension
     }
 
     /**
-     * Return height
+     * Returns height.
      *
      * @return integer
      */
@@ -59,7 +58,7 @@ class Dimension
     }
 
     /**
-     * Get the ratio
+     * Returns the ratio.
      *
      * @param type $forceStandards Whether or not force the use of standards ratios;
      *
diff --git a/src/FFMpeg/Coordinate/Point.php b/src/FFMpeg/Coordinate/Point.php
index 2ee5c62..c0688e8 100644
--- a/src/FFMpeg/Coordinate/Point.php
+++ b/src/FFMpeg/Coordinate/Point.php
@@ -14,7 +14,7 @@ namespace FFMpeg\Coordinate;
 class Point
 {
     private $x;
-    private $Y;
+    private $y;
 
     public function __construct($x, $y)
     {
diff --git a/src/FFMpeg/Coordinate/TimeCode.php b/src/FFMpeg/Coordinate/TimeCode.php
index 14864cb..7ae7fdb 100644
--- a/src/FFMpeg/Coordinate/TimeCode.php
+++ b/src/FFMpeg/Coordinate/TimeCode.php
@@ -35,7 +35,7 @@ class TimeCode
     }
 
     /**
-     * Creates timecode from string
+     * Creates timecode from string.
      *
      * @param string $timecode
      *
diff --git a/src/FFMpeg/Driver/FFProbeDriver.php b/src/FFMpeg/Driver/FFProbeDriver.php
index 2a8fb32..00c4892 100644
--- a/src/FFMpeg/Driver/FFProbeDriver.php
+++ b/src/FFMpeg/Driver/FFProbeDriver.php
@@ -27,7 +27,7 @@ class FFProbeDriver extends AbstractBinary
     }
 
     /**
-     * Creates an FFProbeDriver
+     * Creates an FFProbeDriver.
      *
      * @param array|ConfigurationInterface $configuration
      * @param LoggerInterface              $logger
diff --git a/src/FFMpeg/FFMpeg.php b/src/FFMpeg/FFMpeg.php
index 78acd4e..f619af7 100644
--- a/src/FFMpeg/FFMpeg.php
+++ b/src/FFMpeg/FFMpeg.php
@@ -33,7 +33,7 @@ class FFMpeg
     }
 
     /**
-     * Sets ffprobe
+     * Sets FFProbe.
      *
      * @param FFProbe
      *
@@ -47,7 +47,7 @@ class FFMpeg
     }
 
     /**
-     * Gets FFProbe
+     * Gets FFProbe.
      *
      * @return FFProbe
      */
@@ -57,7 +57,7 @@ class FFMpeg
     }
 
     /**
-     * Sets ffmpeg driver
+     * Sets the ffmpeg driver.
      *
      * @return FFMpeg
      */
@@ -69,7 +69,7 @@ class FFMpeg
     }
 
     /**
-     * Gets the ffmpeg driver
+     * Gets the ffmpeg driver.
      *
      * @return FFMpegDriver
      */
@@ -79,7 +79,7 @@ class FFMpeg
     }
 
     /**
-     * Opens a file in order to be processed
+     * Opens a file in order to be processed.
      *
      * @param string $pathfile A pathfile
      *
@@ -105,7 +105,7 @@ class FFMpeg
     }
 
     /**
-     * Creates a new FFMpeg instance
+     * Creates a new FFMpeg instance.
      *
      * @param array|ConfigurationInterface $configuration
      * @param LoggerInterface              $logger
diff --git a/src/FFMpeg/FFProbe.php b/src/FFMpeg/FFProbe.php
index 1a9bbfd..3fbe660 100644
--- a/src/FFMpeg/FFProbe.php
+++ b/src/FFMpeg/FFProbe.php
@@ -154,7 +154,7 @@ class FFProbe
     /**
      * @api
      *
-     * Probe the format of a given file
+     * Probes the format of a given file.
      *
      * @param string $pathfile
      *
@@ -171,7 +171,7 @@ class FFProbe
     /**
      * @api
      *
-     * Probe the streams contained in a given file
+     * Probes the streams contained in a given file.
      *
      * @param string $pathfile
      *
diff --git a/src/FFMpeg/FFProbe/DataMapping/AbstractData.php b/src/FFMpeg/FFProbe/DataMapping/AbstractData.php
index 5088b89..d35e2b6 100644
--- a/src/FFMpeg/FFProbe/DataMapping/AbstractData.php
+++ b/src/FFMpeg/FFProbe/DataMapping/AbstractData.php
@@ -23,7 +23,7 @@ abstract class AbstractData implements \Countable
     }
 
     /**
-     * Returns true if data has property
+     * Returns true if data has property.
      *
      * @param  string  $property
      * @return Boolean
@@ -34,7 +34,7 @@ abstract class AbstractData implements \Countable
     }
 
     /**
-     * Returns the property value given its name
+     * Returns the property value given its name.
      *
      * @param  string $property
      * @return mixed
@@ -51,7 +51,7 @@ abstract class AbstractData implements \Countable
     }
 
     /**
-     * Returns all property names
+     * Returns all property names.
      *
      * @return array
      */
@@ -61,7 +61,7 @@ abstract class AbstractData implements \Countable
     }
 
     /**
-     * Returns all properties and their values
+     * Returns all properties and their values.
      *
      * @return array
      */
diff --git a/src/FFMpeg/FFProbe/DataMapping/Stream.php b/src/FFMpeg/FFProbe/DataMapping/Stream.php
index d3a84c9..9b0d170 100644
--- a/src/FFMpeg/FFProbe/DataMapping/Stream.php
+++ b/src/FFMpeg/FFProbe/DataMapping/Stream.php
@@ -14,7 +14,7 @@ namespace FFMpeg\FFProbe\DataMapping;
 class Stream extends AbstractData
 {
     /**
-     * Returns true if the stream is an audio stream
+     * Returns true if the stream is an audio stream.
      *
      * @return Boolean
      */
@@ -24,7 +24,7 @@ class Stream extends AbstractData
     }
 
     /**
-     * Returns true if the stream is a video stream
+     * Returns true if the stream is a video stream.
      *
      * @return Boolean
      */
diff --git a/src/FFMpeg/FFProbe/DataMapping/StreamCollection.php b/src/FFMpeg/FFProbe/DataMapping/StreamCollection.php
index bb730ee..409cf91 100644
--- a/src/FFMpeg/FFProbe/DataMapping/StreamCollection.php
+++ b/src/FFMpeg/FFProbe/DataMapping/StreamCollection.php
@@ -34,7 +34,7 @@ class StreamCollection implements \Countable, \IteratorAggregate
     }
 
     /**
-     * Adds a stream to the collection
+     * Adds a stream to the collection.
      *
      * @param Stream $stream
      *
@@ -48,7 +48,7 @@ class StreamCollection implements \Countable, \IteratorAggregate
     }
 
     /**
-     * Returns a new StreamCollection with only video streams
+     * Returns a new StreamCollection with only video streams.
      *
      * @return StreamCollection
      */
@@ -60,7 +60,7 @@ class StreamCollection implements \Countable, \IteratorAggregate
     }
 
     /**
-     * Returns a new StreamCollection with only audio streams
+     * Returns a new StreamCollection with only audio streams.
      *
      * @return StreamCollection
      */
@@ -80,7 +80,7 @@ class StreamCollection implements \Countable, \IteratorAggregate
     }
 
     /**
-     * Returns the array of contained streams
+     * Returns the array of contained streams.
      *
      * @return array
      */
diff --git a/src/FFMpeg/FFProbe/MapperInterface.php b/src/FFMpeg/FFProbe/MapperInterface.php
index a505784..dbd1312 100644
--- a/src/FFMpeg/FFProbe/MapperInterface.php
+++ b/src/FFMpeg/FFProbe/MapperInterface.php
@@ -14,7 +14,7 @@ namespace FFMpeg\FFProbe;
 interface MapperInterface
 {
     /**
-     * Maps data given its type
+     * Maps data given its type.
      *
      * @param string $type One of FFProbe::TYPE_* constant
      * @param string $data The data
diff --git a/src/FFMpeg/FFProbe/OptionsTesterInterface.php b/src/FFMpeg/FFProbe/OptionsTesterInterface.php
index b4d40e3..ab1f3de 100644
--- a/src/FFMpeg/FFProbe/OptionsTesterInterface.php
+++ b/src/FFMpeg/FFProbe/OptionsTesterInterface.php
@@ -14,7 +14,7 @@ namespace FFMpeg\FFProbe;
 interface OptionsTesterInterface
 {
     /**
-     * Tells if the given option is supported by ffprobe
+     * Tells if the given option is supported by ffprobe.
      *
      * @param string $name
      *
diff --git a/src/FFMpeg/FFProbe/OutputParserInterface.php b/src/FFMpeg/FFProbe/OutputParserInterface.php
index a179478..f220fce 100644
--- a/src/FFMpeg/FFProbe/OutputParserInterface.php
+++ b/src/FFMpeg/FFProbe/OutputParserInterface.php
@@ -14,7 +14,7 @@ namespace FFMpeg\FFProbe;
 interface OutputParserInterface
 {
     /**
-     * Parses ffprobe raw output
+     * Parses ffprobe raw output.
      *
      * @param string $type One of FFProbe::TYPE_* constant
      * @param string $data The data
diff --git a/src/FFMpeg/Filters/Video/SynchronizeFilter.php b/src/FFMpeg/Filters/Video/SynchronizeFilter.php
index f189d8f..748a191 100644
--- a/src/FFMpeg/Filters/Video/SynchronizeFilter.php
+++ b/src/FFMpeg/Filters/Video/SynchronizeFilter.php
@@ -14,8 +14,14 @@ namespace FFMpeg\Filters\Video;
 use FFMpeg\Format\VideoInterface;
 use FFMpeg\Media\Video;
 
+/**
+ * Synchronizes audio and video in case of desynchronized movies.
+ */
 class SynchronizeFilter implements VideoFilterInterface
 {
+    /**
+     * {@inheritdoc}
+     */
     public function apply(Video $video, VideoInterface $format)
     {
         $streams = $video->getStreams();
diff --git a/src/FFMpeg/Filters/Video/VideoFilters.php b/src/FFMpeg/Filters/Video/VideoFilters.php
index 393580b..1f31f93 100644
--- a/src/FFMpeg/Filters/Video/VideoFilters.php
+++ b/src/FFMpeg/Filters/Video/VideoFilters.php
@@ -25,7 +25,7 @@ class VideoFilters
     }
 
     /**
-     * Resizes a video to a given dimension
+     * Resizes a video to a given dimension.
      *
      * @param Dimension $dimension
      * @param string    $mode
diff --git a/src/FFMpeg/Filters/Video/VideoResampleFilter.php b/src/FFMpeg/Filters/Video/VideoResampleFilter.php
index e35b87d..b27e9dd 100644
--- a/src/FFMpeg/Filters/Video/VideoResampleFilter.php
+++ b/src/FFMpeg/Filters/Video/VideoResampleFilter.php
@@ -27,7 +27,7 @@ class VideoResampleFilter implements VideoFilterInterface
     }
 
     /**
-     * Returns the frame rate
+     * Returns the frame rate.
      *
      * @return FrameRate
      */
@@ -37,7 +37,7 @@ class VideoResampleFilter implements VideoFilterInterface
     }
 
     /**
-     * Returns the GOP size
+     * Returns the GOP size.
      *
      * @see https://wikipedia.org/wiki/Group_of_pictures
      *
diff --git a/src/FFMpeg/Format/Audio/DefaultAudio.php b/src/FFMpeg/Format/Audio/DefaultAudio.php
index 2a3c653..a0002d1 100644
--- a/src/FFMpeg/Format/Audio/DefaultAudio.php
+++ b/src/FFMpeg/Format/Audio/DefaultAudio.php
@@ -45,7 +45,7 @@ abstract class DefaultAudio extends EventEmitter implements AudioInterface, Prog
 
     /**
      * Sets the audio codec, Should be in the available ones, otherwise an
-     * exception is thrown
+     * exception is thrown.
      *
      * @param string $audioCodec
      *
@@ -74,7 +74,7 @@ abstract class DefaultAudio extends EventEmitter implements AudioInterface, Prog
     }
 
     /**
-     * Sets the kiloBitrate value
+     * Sets the kiloBitrate value.
      *
      * @param  integer                  $kiloBitrate
      * @throws InvalidArgumentException
diff --git a/src/FFMpeg/Format/AudioInterface.php b/src/FFMpeg/Format/AudioInterface.php
index 47ed5d6..3cf254b 100644
--- a/src/FFMpeg/Format/AudioInterface.php
+++ b/src/FFMpeg/Format/AudioInterface.php
@@ -13,28 +13,28 @@ namespace FFMpeg\Format;
 interface AudioInterface extends FormatInterface
 {
     /**
-     * Get the audio kiloBitrate value
+     * Gets the audio kiloBitrate value.
      *
      * @return integer
      */
     public function getAudioKiloBitrate();
 
     /**
-     * Return an array of extra parameters to add to ffmpeg commandline
+     * Returns an array of extra parameters to add to ffmpeg commandline.
      *
      * @return array()
      */
     public function getExtraParams();
 
     /**
-     * Returns the audio codec
+     * Returns the audio codec.
      *
      * @return string
      */
     public function getAudioCodec();
 
     /**
-     * Returns the list of available audio codecs for this format
+     * Returns the list of available audio codecs for this format.
      *
      * @return array
      */
diff --git a/src/FFMpeg/Format/ProgressableInterface.php b/src/FFMpeg/Format/ProgressableInterface.php
index 7318d65..4cd417d 100644
--- a/src/FFMpeg/Format/ProgressableInterface.php
+++ b/src/FFMpeg/Format/ProgressableInterface.php
@@ -18,7 +18,7 @@ use FFMpeg\Media\MediaTypeInterface;
 interface ProgressableInterface extends EventEmitterInterface
 {
     /**
-     * Creates the progress listener
+     * Creates the progress listener.
      *
      * @param MediaTypeInterface $media
      * @param FFProbe            $ffprobe
diff --git a/src/FFMpeg/Format/Video/DefaultVideo.php b/src/FFMpeg/Format/Video/DefaultVideo.php
index 7427175..f74b23e 100644
--- a/src/FFMpeg/Format/Video/DefaultVideo.php
+++ b/src/FFMpeg/Format/Video/DefaultVideo.php
@@ -41,7 +41,7 @@ abstract class DefaultVideo extends DefaultAudio implements VideoInterface
     }
 
     /**
-     * Sets the kiloBitrate value
+     * Sets the kiloBitrate value.
      *
      * @param  integer                  $kiloBitrate
      * @throws InvalidArgumentException
@@ -67,7 +67,7 @@ abstract class DefaultVideo extends DefaultAudio implements VideoInterface
 
     /**
      * Sets the video codec, Should be in the available ones, otherwise an
-     * exception is thrown
+     * exception is thrown.
      *
      * @param  string                   $videoCodec
      * @throws InvalidArgumentException
diff --git a/src/FFMpeg/Format/VideoInterface.php b/src/FFMpeg/Format/VideoInterface.php
index d1bbcf6..6bf91a1 100644
--- a/src/FFMpeg/Format/VideoInterface.php
+++ b/src/FFMpeg/Format/VideoInterface.php
@@ -14,14 +14,14 @@ namespace FFMpeg\Format;
 interface VideoInterface extends AudioInterface
 {
     /**
-     * Get the kiloBitrate value
+     * Gets the kiloBitrate value.
      *
      * @return integer
      */
     public function getKiloBitrate();
 
     /**
-     * Returns the number of passes
+     * Returns the number of passes.
      *
      * @return string
      */
@@ -40,14 +40,14 @@ interface VideoInterface extends AudioInterface
     public function getModulus();
 
     /**
-     * Returns the video codec
+     * Returns the video codec.
      *
      * @return string
      */
     public function getVideoCodec();
 
     /**
-     * Returns true if the current format supports B-Frames
+     * Returns true if the current format supports B-Frames.
      *
      * @see https://wikipedia.org/wiki/Video_compression_picture_types
      *
@@ -56,7 +56,7 @@ interface VideoInterface extends AudioInterface
     public function supportBFrames();
 
     /**
-     * Returns the list of available video codecs for this format
+     * Returns the list of available video codecs for this format.
      *
      * @return array
      */
diff --git a/src/FFMpeg/Media/Audio.php b/src/FFMpeg/Media/Audio.php
index 2ba0304..b20187b 100644
--- a/src/FFMpeg/Media/Audio.php
+++ b/src/FFMpeg/Media/Audio.php
@@ -43,7 +43,7 @@ class Audio extends AbstractStreamableMedia
     }
 
     /**
-     * Export the audio in the desired format, applies registered filters
+     * Exports the audio in the desired format, applies registered filters.
      *
      * @param FormatInterface $format
      * @param string          $outputPathfile
diff --git a/src/FFMpeg/Media/Frame.php b/src/FFMpeg/Media/Frame.php
index 9ffb38d..9fd840c 100644
--- a/src/FFMpeg/Media/Frame.php
+++ b/src/FFMpeg/Media/Frame.php
@@ -75,6 +75,7 @@ class Frame extends AbstractMediaType
     public function saveAs($pathfile, $accurate = false)
     {
         /**
+         * might be optimized with http://ffmpeg.org/trac/ffmpeg/wiki/Seeking%20with%20FFmpeg
          * @see http://ffmpeg.org/ffmpeg.html#Main-options
          */
         if (!$accurate) {
diff --git a/src/FFMpeg/Media/MediaTypeInterface.php b/src/FFMpeg/Media/MediaTypeInterface.php
index eca7f52..93cd05d 100644
--- a/src/FFMpeg/Media/MediaTypeInterface.php
+++ b/src/FFMpeg/Media/MediaTypeInterface.php
@@ -14,7 +14,7 @@ namespace FFMpeg\Media;
 interface MediaTypeInterface
 {
     /**
-     * Returns the available filters
+     * Returns the available filters.
      */
     public function filters();
 
diff --git a/src/FFMpeg/Media/Video.php b/src/FFMpeg/Media/Video.php
index b368497..e34e939 100644
--- a/src/FFMpeg/Media/Video.php
+++ b/src/FFMpeg/Media/Video.php
@@ -45,7 +45,7 @@ class Video extends AbstractStreamableMedia
     }
 
     /**
-     * Export the video in the desired format, applies registered filters
+     * Exports the video in the desired format, applies registered filters.
      *
      * @param FormatInterface $format
      * @param string          $outputPathfile
@@ -154,7 +154,7 @@ class Video extends AbstractStreamableMedia
     }
 
     /**
-     * Get the frame at timecode
+     * Gets the frame at timecode.
      *
      * @param  Timecode $at
      * @return Frame