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-rw-r--r--src/libcollections/binary_heap.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcollections/binary_heap.rs b/src/libcollections/binary_heap.rs
index b817ed6a6d0..bedeab67420 100644
--- a/src/libcollections/binary_heap.rs
+++ b/src/libcollections/binary_heap.rs
@@ -112,7 +112,7 @@
 //!     //                  7
 //!     //          +-----------------+
 //!     //          |                 |
-//!     //          v   1        2    |
+//!     //          v   1        2    |  2
 //!     //          0 -----> 1 -----> 3 ---> 4
 //!     //          |        ^        ^      ^
 //!     //          |        | 1      |      |