diff --git a/AGENTS.md b/AGENTS.md
index 07e84ff..7193d67 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -24,6 +24,7 @@ This document outlines the conventions and commands for agents operating within
 - **Testing**:
     - Use `github.com/nalgeon/be`
     - Tests should be in a separate package, such as waiterr_test
+- **sync.WaitGroup**: Do not use the `WaitGroup.Add` or `WaitGroup.Done` functions. Instead, we should rely on `WaitGroup.Go` to spawn new goroutines.
 
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