diff --git a/Dart.gitignore b/Dart.gitignore
index 38548b3..bf29d7e 100644
--- a/Dart.gitignore
+++ b/Dart.gitignore
@@ -1,15 +1,18 @@
-# Don’t commit the following directories created by pub.
+# Don’t commit the following directories created by pub.
 .buildlog
 .pub/
 build/
 packages
 .packages
 
 # Or the files created by dart2js.
 *.dart.js
 *.js_
 *.js.deps
 *.js.map
 
-# Include when developing application packages.
+# Or the files created by dartdoc.
+doc/
+
+# Don't commit pubspec lock file. (Library packages only! Remove pattern if developing an application package.)
 pubspec.lock