diff --git a/CLAUDE.md b/CLAUDE.md
index b416d6e..57dddca 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -152,6 +152,7 @@ for f in .includes/*.sh; do bash -n "$f"; done
   - Examples: `get_wine_bottle()`, `process_launcher_flags()`, `download_file()`
   - Never use: `getWineBottle()`, `processLauncherFlags()`, `downloadFile()`
 - **Shebang**: Use `#!/bin/bash` for all bash scripts
+  - **CRITICAL**: .sh files in .install/ are game installers, not typical bash scripts If they contain # on the first line they are disabled and will not show up in audiogame-manager
 - **Sourcing pattern**:
   - **Main script** (`audiogame-manager.sh`): Use `source "${scriptDir}/.includes/file.sh"` (scriptDir is defined at line 4)
   - **Subdirectory scripts** (game-scripts/, wine/, speech/): Use `source "${0%/*}/../.includes/file.sh"`