diff --git a/.gitignore b/.gitignore
index 94a5fd95be3bf..646ad01542bfc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,11 @@
+# Generated HTML and other static files
 build/
+# Commonly ignored Node.js files
 node_modules/
 npm-debug.log
+.npm/
+
+# OSX system files, the bane of our existence
+.DS_Store
+.AppleDouble
+.LSOverride