diff --git a/packages/yew-macro/tests/derive_props/fail.stderr b/packages/yew-macro/tests/derive_props/fail.stderr
index 881609aeaf9..e3d2c5461ff 100644
--- a/packages/yew-macro/tests/derive_props/fail.stderr
+++ b/packages/yew-macro/tests/derive_props/fail.stderr
@@ -1,4 +1,4 @@
-error: unexpected end of input, expected expression
+error: unexpected end of input, expected an expression
   --> tests/derive_props/fail.rs:56:19
    |
 56 |         #[prop_or()]
diff --git a/packages/yew-macro/tests/html_macro/component-fail.stderr b/packages/yew-macro/tests/html_macro/component-fail.stderr
index 371362c18bc..6280ac8d37b 100644
--- a/packages/yew-macro/tests/html_macro/component-fail.stderr
+++ b/packages/yew-macro/tests/html_macro/component-fail.stderr
@@ -22,7 +22,7 @@ error: expected base props expression after `..`
 46 |     html! { <Child .. /> };
    |                    ^^
 
-error: unexpected end of input, expected expression
+error: unexpected end of input, expected an expression
   --> tests/html_macro/component-fail.rs:46:13
    |
 46 |     html! { <Child .. /> };
@@ -34,7 +34,7 @@ error: expected base props expression after `..`
 47 |     html! { <Child ..{ 5 + } /> };
    |                    ^^
 
-error: unexpected end of input, expected expression
+error: unexpected end of input, expected an expression
   --> tests/html_macro/component-fail.rs:47:28
    |
 47 |     html! { <Child ..{ 5 + } /> };