Note fix in bug log.

[ci skip]

Author: jamelablack

Changelog.md

@@ -5,6 +5,8 @@ Bug Fixes:
 
 * Fix another load order issued which causes an undefined method `fixture_path` error
   when loading rspec-rails after a spec has been created. (Nikki Murray, #1430)
+* Removed incorrect surrounding whitespace in the rspec-rails backtrace
+  exclusion pattern for its own `lib` code. (Jam Black, #1439)
 
 ### 3.3.3 / 2015-07-15
 [Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.3.2...v3.3.3)