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-rw-r--r--src/liballoc/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 38c6fa91cc5..ffa4176cc79 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -60,6 +60,7 @@
 #![stable(feature = "alloc", since = "1.36.0")]
 #![doc(
     html_root_url = "https://doc.rust-lang.org/nightly/",
+    html_playground_url = "https://play.rust-lang.org/",
     issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
     test(no_crate_inject, attr(allow(unused_variables), deny(warnings)))
 )]