diff --git a/datatype/labelmap/handlers.go b/datatype/labelmap/handlers.go
index 3e5af0d9..b2e63fe2 100644
--- a/datatype/labelmap/handlers.go
+++ b/datatype/labelmap/handlers.go
@@ -706,7 +706,14 @@ func (d *Data) handleMutations(ctx *datastore.VersionedCtx, w http.ResponseWrite
 }
 
 func (d *Data) handleMutationsRange(ctx *datastore.VersionedCtx, w http.ResponseWriter, r *http.Request, parts []string) {
-	// GET <api URL>/node/<UUID>/<data name>/mutations-range/<beg>/<end>?rangefmt=<format>
+	// GET <api URL>/node/<UUID>/<data name>/mutations-range/<beg>/<end>
+	// TODO: If feedback requests it, add querystring ?rangefmt=<format>
+	//       The range format of parameters <beg> and <end> is specified by the
+	//		 value of the "rangefmt" query string:
+	// 		 	default:  If no query string is given, the range is in the form of version UUIDs.
+	// 			"mutids":  The range is in the form of mutation IDs (uint64).
+	// 			"timestamps":  The range is in the form of RFC 3339 timestamps.
+
 	timedLog := dvid.NewTimeLog()
 
 	queryStrings := r.URL.Query()
diff --git a/datatype/labelmap/labelmap.go b/datatype/labelmap/labelmap.go
index e7eefabe..6387785d 100644
--- a/datatype/labelmap/labelmap.go
+++ b/datatype/labelmap/labelmap.go
@@ -1608,19 +1608,12 @@ GET <api URL>/node/<UUID>/<data name>/mutations[?queryopts]
 				 is the requester's User ID (not necessarily the same as the
 				 User ID whose mutations are being requested).
 
-GET <api URL>/node/<UUID>/<data name>/mutations-range/<beg>/<end>?rangefmt=<format>
 
-	Returns JSON list of the successfully completed mutations across a given
-	range. The range format of parameters <beg> and <end> is specified by the 
-	value of the "rangefmt" query string:
+GET <api URL>/node/<UUID>/<data name>/mutations-range/<beg>/<end>
 
-		default:  If no query string is given, the range is in the form of
-					version UUIDs.
-
-		--- The following are not yet implemented ---
-		"mutids":  The range is in the form of mutation IDs (uint64).
-
-		"timestamps":  The range is in the form of RFC 3339 timestamps.
+	Returns JSON list of the successfully completed mutations across the given
+	range of UUIDs.  Each mutation record format is equivalent to the JSON
+	provided to the Kafka mutation log as in the /mutations endpoint. 
 
 
 GET <api URL>/node/<UUID>/<data name>/history/<label>/<from UUID>/<to UUID>