diff --git a/.rubocop.yml b/.rubocop.yml
index 7c61c6fd1..43e24f9c4 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -63,8 +63,9 @@ Metrics/MethodLength:
   Max: 34
 Metrics/AbcSize:
   Max: 30
+# Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 172
+  Max: 171
 Metrics/CyclomaticComplexity:
   Max: 7
 Metrics/PerceivedComplexity: