Fix docs typo. (googleapis#8027)

Ace Nassri · tseaver · commit 948a25656bfc · 2019-05-17T20:03:46.000-04:00
diff --git a/storage/docs/index.rst b/storage/docs/index.rst
@@ -2,7 +2,7 @@
 
 .. note::
 
-   Becuase the storage client uses the third-party :mod:`requests` library by
+   Because the storage client uses the third-party :mod:`requests` library by
    default, it is safe to share instances across threads.  In multiprocessing
    scenarious, best practice is to create client instances *after*
    :class:`multiprocessing.Pool` or :class:`multiprocessing.Process` invokes
