diff --git a/test_suite/tests/ui/remote/wrong_de.stderr b/test_suite/tests/ui/remote/wrong_de.stderr
index 370a41ef..93766748 100644
--- a/test_suite/tests/ui/remote/wrong_de.stderr
+++ b/test_suite/tests/ui/remote/wrong_de.stderr
@@ -5,6 +5,6 @@ error[E0308]: mismatched types
   |          ^^^^^^^^^^^
   |          |
   |          expected `u16`, found `u8`
-  |          help: you can convert an `u8` to `u16`: `Deserialize.into()`
+  |          help: you can convert a `u8` to a `u16`: `Deserialize.into()`
   |
   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)