diff --git a/idl/extensions/declarative_web_request.json b/idl/extensions/declarative_web_request.json
index ad569ff7..12219f70 100644
--- a/idl/extensions/declarative_web_request.json
+++ b/idl/extensions/declarative_web_request.json
@@ -596,7 +596,7 @@
           },
           "modification": {
             "$ref": "declarativeWebRequest.RequestCookie",
-            "description": "Attributes that shall be overridden in cookies that machted the filter. Attributes that are set to an empty string are removed."
+            "description": "Attributes that shall be overridden in cookies that matched the filter. Attributes that are set to an empty string are removed."
           }
         }
       },
@@ -615,7 +615,7 @@
           },
           "modification": {
             "$ref": "declarativeWebRequest.ResponseCookie",
-            "description": "Attributes that shall be overridden in cookies that machted the filter. Attributes that are set to an empty string are removed."
+            "description": "Attributes that shall be overridden in cookies that matched the filter. Attributes that are set to an empty string are removed."
           }
         }
       },
@@ -707,4 +707,4 @@
       }
     ]
   }
-]
\ No newline at end of file
+]