diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 7b91bd2..9a28b7d 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -3935,7 +3935,7 @@ Other default operations rules:
 
 ## <a name="SS-defop"></a>C.defop: Default Operations
 
-By default, the language supply the default operations with their default semantics.
+By default, the language supplies the default operations with their default semantics.
 However, a programmer can disable or replace these defaults.
 
 ### <a name="Rc-zero"></a>C.20: If you can avoid defining default operations, do