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-rw-r--r--src/libsyntax/feature_gate.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 08f1473200c..4d24c7bfb40 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -1091,7 +1091,7 @@ pub const BUILTIN_ATTRIBUTES: &[(&str, AttributeType, AttributeTemplate, Attribu
                                               stable",
                                              cfg_fn!(profiler_runtime))),
 
-    ("allow_internal_unstable", Normal, template!(Word, List: "feat1, feat2"),
+    ("allow_internal_unstable", Normal, template!(Word, List: "feat1, feat2, ..."),
                                               Gated(Stability::Unstable,
                                               "allow_internal_unstable",
                                               EXPLAIN_ALLOW_INTERNAL_UNSTABLE,