diff --git a/Actionscript.gitignore b/Actionscript.gitignore
index d64cf3cd..fa65f0bd 100644
--- a/Actionscript.gitignore
+++ b/Actionscript.gitignore
@@ -3,8 +3,9 @@ bin/
 bin-debug/
 bin-release/
 
-# Project property files
-.actionScriptProperties
-.flexProperties
+# Other files and folders
 .settings/
-.project
\ No newline at end of file
+
+# Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
+# should NOT be excluded as they contain compiler settings and other important
+# information for Eclipse / Flash Builder.
\ No newline at end of file