Fixed incorrect reference to issue #23121.

diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index e038f4dc677d20fcc87ed26e9e1eea5a1cf44d81..1a4de59cce63ba7d2affb43f0af5c800d825df50 100644 (file)
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -197,7 +197,7 @@ pub fn walk_feature_fields<F>(&self, mut f: F)
     // rustc internal
     (active, allow_internal_unsafe, "1.0.0", None, None),
 
-    // Allows the use of slice patterns (RFC 23121).
+    // Allows the use of slice patterns (issue #23121).
     (active, slice_patterns, "1.0.0", Some(23121), None),
 
     // Allows the definition of `const` functions with some advanced features.