Merge pull request #2352 from dmitryvm/1216-typos

typo in rfc1216

Author: Centril

text/1216-bang-type.md

@@ -406,7 +406,7 @@ Someone would have to implement this.
 # Unresolved questions
 
 `!` has a unique impl of any trait whose only items are non-static methods. It
-would be nice if there was a way a to automate the creation of these impls.
+would be nice if there was a way to automate the creation of these impls.
 Should `!` automatically satisfy any such trait? This RFC is not blocked on
 resolving this question if we are willing to accept backward-incompatibilities
 in questionably-valid code which tries to call trait methods on diverging