Fix changelog typo [ci skip]

sue445 · sue445 · commit a895c2c6851b · 2015-07-16T15:33:18.000+09:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -185,7 +185,7 @@
 
 1.2.1
 -----
-* [Added explicit dependency for MultiJson](https://github.com/rails/jbuilder/commit/4d58eacb6cd613679fb243484ff73a79bbbff2d2
+* [Added explicit dependency for MultiJson](https://github.com/rails/jbuilder/commit/4d58eacb6cd613679fb243484ff73a79bbbff2d2)
 
 1.2.0
 -----
