diff --git a/.golangci.reference.yml b/.golangci.reference.yml
index 8ae7b9a007bd..6d86bd1d9d52 100644
--- a/.golangci.reference.yml
+++ b/.golangci.reference.yml
@@ -1366,6 +1366,7 @@ linters-settings:
       - someword
     # Extra word corrections.
     # `typo` and `correction` should only contain letters.
+    # The words are case-insensitive.
     # Default: []
     extra-words:
       - typo: "iff"
diff --git a/pkg/golinters/misspell_test.go b/pkg/golinters/misspell_test.go
index 0eeffe7fd5ba..29e0862f9b83 100644
--- a/pkg/golinters/misspell_test.go
+++ b/pkg/golinters/misspell_test.go
@@ -17,8 +17,8 @@ func Test_appendExtraWords(t *testing.T) {
 			Correction: "if",
 		},
 		{
-			Typo:       "cancelation",
-			Correction: "cancellation",
+			Typo:       "canCELation",
+			Correction: "canceLLaTION",
 		},
 	}