diff --git a/src/matcher.ts b/src/matcher.ts
index b4ac171..6d733ce 100644
--- a/src/matcher.ts
+++ b/src/matcher.ts
@@ -54,7 +54,7 @@ export function toMatchError(
 
     if (!this.equals(expected.publicFields, got.publicFields)) {
       diff.push(
-        "Error public fields is not the same:",
+        "Error public fields are not the same:",
         this.utils.diff(expected.publicFields, got.publicFields) as string
       );
     }
diff --git a/test/matcher.test.ts b/test/matcher.test.ts
index c2bf8f0..c3cb899 100644
--- a/test/matcher.test.ts
+++ b/test/matcher.test.ts
@@ -62,7 +62,7 @@ describe("matcher", () => {
           new SpecificError("test", false)
         );
       }).toThrowErrorMatchingInlineSnapshot(`
-        "Error public fields is not the same:
+        "Error public fields are not the same:
         - Expected
         + Received