diff --git a/src/ameba/rule/style/parentheses_around_condition.cr b/src/ameba/rule/style/parentheses_around_condition.cr
index a19dbabf..112d3a64 100644
--- a/src/ameba/rule/style/parentheses_around_condition.cr
+++ b/src/ameba/rule/style/parentheses_around_condition.cr
@@ -1,6 +1,6 @@
 module Ameba::Rule::Style
   # A rule that checks for the presence of superfluous parentheses
-  # around the condition of `if`, `unless`, `case, `while` and `until`.
+  # around the condition of `if`, `unless`, `case`, `while` and `until`.
   #
   # For example, this is considered invalid:
   #