MAPREDUCE-6268. Fix typo in Task Attempt API's URL. Contributed by Ryu Kobayashi.

hadoop-mapreduce-project/CHANGES.txt

@@ -399,6 +399,9 @@ Release 2.7.0 - UNRELEASED
     MAPREDUCE-6223. TestJobConf#testNegativeValueForTaskVmem failures. 
     (Varun Saxena via kasha)
 
+    MAPREDUCE-6268. Fix typo in Task Attempt API's URL. (Ryu Kobayashi
+    via ozawa)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/site/markdown/HistoryServerRest.md

@@ -1889,7 +1889,7 @@ A Task Attempt resource contains information about a particular task attempt wit
 
 Use the following URI to obtain an Task Attempt Object, from a task identified by the attemptid value.
 
-      * http://<history server http address:port>/ws/v1/history/mapreduce/jobs/{jobid}/tasks/{taskid}/attempt/{attemptid}
+      * http://<history server http address:port>/ws/v1/history/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid}
 
 #### HTTP Operations Supported