trivial typo fix (#2566)

* trivial typo fix

* trivial typo fix

Author: rbowen

docs/advanced_features.rst

@@ -162,7 +162,7 @@ instance will wait for all the nodes to respond before returning the
 result to the caller. Command responses are returned as a list sorted in
 the same order in which they were sent. Pipelines can be used to
 dramatically increase the throughput of Redis Cluster by significantly
-reducing the the number of network round trips between the client and
+reducing the number of network round trips between the client and
 the server.
 
 .. code:: pycon

docs/examples/pipeline_examples.ipynb

@@ -123,7 +123,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The responses of the three commands are stored in a list. In the above example, the two first boolean indicates that the the `set` commands were successfull and the last element of the list is the result of the `get(\"a\")` comand."
+    "The responses of the three commands are stored in a list. In the above example, the two first boolean indicates that the `set` commands were successfull and the last element of the list is the result of the `get(\"a\")` comand."
    ]
   },
   {