Fix typo in comment.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/edit_distance.cc b/src/edit_distance.cc
index 9553c6e..a6719d3 100644
--- a/src/edit_distance.cc
+++ b/src/edit_distance.cc
@@ -28,7 +28,7 @@ int EditDistance(const StringPiece& s1,
   //   http://en.wikipedia.org/wiki/Levenshtein_distance
   //
   // Although the algorithm is typically described using an m x n
-  // array, only two rows are used at a time, so this implemenation
+  // array, only two rows are used at a time, so this implementation
   // just keeps two separate vectors for those two rows.
   int m = s1.len_;
   int n = s2.len_;