diff --git a/lib/puppet/parser/functions/upcase.rb b/lib/puppet/parser/functions/upcase.rb
index 0226a885c..44b3bcd6f 100644
--- a/lib/puppet/parser/functions/upcase.rb
+++ b/lib/puppet/parser/functions/upcase.rb
@@ -12,7 +12,7 @@ module Puppet::Parser::Functions
 
 Will return:
 
-    ASDF
+    ABCD
   EOS
   ) do |arguments|