diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 83d9ba1..5dddc01 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -11151,7 +11151,7 @@ To avoid unpleasant surprises.
 This declares an unnamed `lock` object that immediately goes out of scope at the point of the semicolon.
 This is not an uncommon mistake.
 In particular, this particular example can lead to hard-to find race conditions.
-There are exceedingly clever used of this "idiom", but they are far rarer than the mistakes.
+There are exceedingly clever uses of this "idiom", but they are far rarer than the mistakes.
 
 ##### Note