diff --git a/soco/core.py b/soco/core.py
index <HASH>..<HASH> 100755
--- a/soco/core.py
+++ b/soco/core.py
@@ -288,6 +288,8 @@ class SoCo(_SocoSingletonBase):  # pylint: disable=R0904
         """ Play a track from the queue by index. The index number is
         required as an argument, where the first index is 0.
 
+        index: the index of the track to play; first item in the queue is 0
+
         Returns:
         True if the Sonos speaker successfully started playing the track.
 
@@ -1102,6 +1104,8 @@ class SoCo(_SocoSingletonBase):  # pylint: disable=R0904
         """ Remove a track from the queue by index. The index number is
         required as an argument, where the first index is 0.
 
+        index: the index of the track to remove; first item in the queue is 0
+
         Returns:
             True if the Sonos speaker successfully removed the track
Added argument explanation in remove_from_queue, play_from_queue.