diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 1f6a1b0..0d4863e 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -18483,7 +18483,7 @@ Because, obviously, breaking this rule can lead to undefined behavior, memory co
 ##### Note
 
 This is a semi-philosophical meta-rule, which needs many supporting concrete rules.
-We need it as a umbrella for the more specific rules.
+We need it as an umbrella for the more specific rules.
 
 Summary of more specific rules: