Minor README fixes.

Daniel White · Daniel White · commit 26d46e564826 · 2015-02-18T09:58:28.000Z
diff --git a/README.md b/README.md
@@ -11,15 +11,15 @@ position by a sequence of legal moves. It includes the full game state. While it
 may be arbitrary, we require a standard protocol because one could imagine a
 pathological protocol where the GUI sends a list of legal moves, from which the
 engine then selects one. This would reduce the exercise to writing the smallest
-program which repeatedly choose the first move (say).
+program which repeatedly chooses the first move (say).
 
 For the first criteria we use the UCI protocol, in particular the following
 commands are used: 'uci'/'uciok', 'isready'/'readyok', 'position' and
 'go'/'bestmove'. While iota does obey the second requirement - so accepting
 en-passent captures, under-promotions and castling - it will never castle
 itself. Note that this is not a violation because if we have the option to
 castle, then we always have the alternatives of simply moving either one of the
-king and rook toward the other.
+king or rook toward the other.
 
 ## Acknowledgements
 I would like to give thanks to H. G. Muller (HGM) both for his engine MicroMax
