diff --git a/README.md b/README.md
index a577675..22c3a99 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Underline.js has following features:
 ![pixel-perfect](https://cloud.githubusercontent.com/assets/2474904/6017363/fdf6ab3c-ab5a-11e4-936a-f7657532df50.png)
  2. It has an optimized thin stroke-width. It is always 1/6 of width of the period mark.
 ![optimal-stroke-width](https://cloud.githubusercontent.com/assets/2474904/6017364/fdf7ca62-ab5a-11e4-976e-285dd759b59b.png)
- 3. It sits on the optimal Y position between the baseline and descender line, that optimal Y positon is the golden ratio point.
+ 3. It sits on the optimal Y position between the baseline and descender line, that optimal Y position is the golden ratio point.
 ![golden-ratio](https://cloud.githubusercontent.com/assets/2474904/6017362/fdf60510-ab5a-11e4-9965-4e8a6b0a9f4c.png)
  4. It has holes around descenders. Completely respect the type's shape. If you ask, the size of the holes are also optimized to the perfection.
 ![descender-holes](https://cloud.githubusercontent.com/assets/2474904/6017361/fdf3f4f0-ab5a-11e4-89a4-f6e6e0588c2b.png)