revert accidental license change

Author: pjfanning

LICENSE

@@ -147,7 +147,7 @@
       implied, including, without limitation, any warranties or conditions
       of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
       PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of usingValue or redistributing the Work and assume any
+      appropriateness of using or redistributing the Work and assume any
       risks associated with Your exercise of permissions under this License.
 
    8. Limitation of Liability. In no event and under no legal theory,