diff --git a/tools/README.md b/tools/README.md
index 6501aae441..13be763dac 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -4,5 +4,4 @@ This is a collection of utilities used for Rails internal development.
 They aren't used by Rails apps directly.
 
   * `console` drops you in irb and loads this local Rails repos
-  * `line_statistics` gives lines-of-code counts for our codebase
   * `profile` profiles `Kernel#require` to help reduce startup times
diff --git a/tools/line_statistics b/tools/line_statistics
old mode 100755
new mode 100644
index 5eb5cfdc3d..bfa921b095
--- a/tools/line_statistics
+++ b/tools/line_statistics
@@ -1,4 +1,5 @@
-#!/usr/bin/env ruby
+# Class used to calculates LOC for a provided file list.
+#
 # Example:
 #   files = FileList["lib/active_record/**/*.rb"]
 #   CodeTools::LineStatistics.new(files).print_loc