Fix misspelling in docs. (#9184)

bennett-jacob · tseaver · commit e360baaf2392 · 2019-09-05T15:31:30.000-04:00
diff --git a/bigtable/docs/data-api.rst b/bigtable/docs/data-api.rst
@@ -84,7 +84,7 @@ Building Up Mutations
 ---------------------
 
 In all three cases, a set of mutations (or two sets) are built up
-on a row before they are sent of in a batch via
+on a row before they are sent off in a batch via
 
 .. code:: python
 
