Note fix commit SHA

As this was committed directly to master there's no PR number to
reference.

Author: cupakromer

CHANGELOG.md

@@ -12,7 +12,7 @@
   use symbol keys, are not replaced by custom attributes using string keys
   (Aaron Kromer, #1)
 - Exclude `spec/support/model_factories.rb` from `Metrics/BlockLength` in
-  common Rubocop config (Aaron Kromer)
+  common Rubocop config (Aaron Kromer, 714b9b3)
 
 
 ## 0.1.0 (March 14, 2018)