diff --git a/rules/cargo.toml b/rules/cargo.toml
index 4a54bdf..1f1c61c 100644
--- a/rules/cargo.toml
+++ b/rules/cargo.toml
@@ -7,6 +7,6 @@ pattern = [
 suggest = [
 '''
 #[err_contains(did you mean)]
-{{command[0]}} {{err::(?:did you mean `)(.*)(?:`)}} {{command[2:]}} '''
+{{command[0]}} {{err::(?:did you mean `)(.*)(?:`\?)}} {{command[2:]}} '''
 ]