diff --git a/.gitignore b/.gitignore
index 5f8b8c94f39..03851e1a4a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,31 @@
-dist
+# Project-specific ignore
 /doc
 /doc-staging
-.yardoc
-Gemfile.lock
 /internal/awstesting/integration/smoke/**/importmarker__.go
 /internal/awstesting/integration/smoke/_test/
 /vendor
 /private/model/cli/gen-api/gen-api
-.gradle/
 build/
-.idea/
 bin/
+
+# Mac
+.DS_Store/
+
+# Intellij
+.idea/
+*.iml
+*.ipr
+*.iws
+
+# Node
+dist
+
+# Java
+.gradle/
+
+# vscode
 .vscode/
+
+# Ruby
+.yardoc
+Gemfile.lock
\ No newline at end of file