cleaning up git problem after crash

Author: lee-naish

src/algorithms/controllers/unionFindUnion.js

@@ -1,6 +1,6 @@
 // XXX maybe get rid of some of the animation steps where there are
 // multiple steps for a single line of code (generally using the last
-// step is sufficient)
+// step is sufficient).
 /* eslint-disable eqeqeq */
 /* eslint-disable no-plusplus */
 /* eslint-disable no-param-reassign */