Merge pull request #57 from richpsharp/release/0.11.0

appending a character after `` causes rst to fail

Author: dcdenu4

HISTORY.rst

@@ -10,7 +10,7 @@ TaskGraph Release History
   runtime or ``MemoryError`` if a dictionary were passed that had thousands
   of elements.
 * Fixed issue that would cause ``TaskGraph`` to not recognize a directory
-  that was meant to be ignored and in some cases cause ``Task``s to
+  that was meant to be ignored and in some cases cause ``Task`` to
   unnecessarily reexecute.
 
 0.10.2 (2020-12-11)