Update client.py (#48)

Author: Ariel Shtul

redistimeseries/client.py

@@ -194,7 +194,7 @@ def incrby(self, key, value, timestamp=None, retention_msecs=None,
                 uncompressed=False, labels={}):
         """
         Increases latest value in ``key`` by ``value``.
-        ``timestamp` can be set or system time will be used.
+        ``timestamp`` can be set or system time will be used.
         If ``key`` is created, ``retention_msecs`` and ``labels`` are
         applied. 
         """
@@ -312,4 +312,4 @@ def pipeline(self, transaction=True, shard_hint=None):
         return p
 
 class Pipeline(Pipeline, Client):
-    "Pipeline for Redis TimeSeries Client"
+    "Pipeline for Redis TimeSeries Client"