Merge pull request #150 from chriskuehl/fix-json-decode-error-message

Fix JSON decode error message
diff --git a/pre_commit_hooks/check_json.py b/pre_commit_hooks/check_json.py
index f586fe9..688f719 100644
--- a/pre_commit_hooks/check_json.py
+++ b/pre_commit_hooks/check_json.py
@@ -16,7 +16,7 @@
         try:
             simplejson.load(open(filename))
         except (simplejson.JSONDecodeError, UnicodeDecodeError) as exc:
-            print('{0}: Failed to json encode ({1})'.format(filename, exc))
+            print('{0}: Failed to json decode ({1})'.format(filename, exc))
             retval = 1
     return retval