diff --git a/lib/linguist/blob_helper.rb b/lib/linguist/blob_helper.rb
index bbbe2301..16838be5 100644
--- a/lib/linguist/blob_helper.rb
+++ b/lib/linguist/blob_helper.rb
@@ -2,6 +2,7 @@ require 'linguist/language'
 require 'linguist/mime'
 require 'linguist/pathname'
 
+require 'escape_utils'
 require 'yaml'
 
 module Linguist
diff --git a/lib/linguist/pathname.rb b/lib/linguist/pathname.rb
index 8c35557b..fc7c5d28 100644
--- a/lib/linguist/pathname.rb
+++ b/lib/linguist/pathname.rb
@@ -108,6 +108,9 @@ module Linguist
       @binary ||= Mime.binary?(extname)
     end
 
+    # Public: Return self as String
+    #
+    # Returns a String
     def to_s
       @path.dup
     end