diff --git a/doc/api/console.md b/doc/api/console.md
index 655e64c5ac9f01..3e1472e656ef33 100644
--- a/doc/api/console.md
+++ b/doc/api/console.md
@@ -230,6 +230,11 @@ console.timeEnd('100-elements');
 // prints 100-elements: 225.438ms
 ```
 
+*Note: As of Node.js v6.0.0, `console.timeEnd()` deletes the timer to avoid
+leaking it. On older versions, the timer persisted. This allowed
+`console.timeEnd()` to be called multiple times for the same label. This
+functionality was unintended and is no longer supported.*
+
 ### console.trace(message[, ...])
 
 Prints to `stderr` the string `'Trace :'`, followed by the [`util.format()`][]