diff --git a/tests/testsuite/directory.rs b/tests/testsuite/directory.rs
index 7bf497d12..4434abb81 100644
--- a/tests/testsuite/directory.rs
+++ b/tests/testsuite/directory.rs
@@ -230,7 +230,7 @@ error: failed to compile `bar v0.1.0`, intermediate artifacts can be found at `[
 Caused by:
   no matching package named `baz` found
 location searched: registry `https://github.com/rust-lang/crates.io-index`
-did you mean: bar or foo
+did you mean: bar, foo
 required by package `bar v0.1.0`
 ",
         ),