diff --git a/_posts/2017-03-19-measuring-size-and-distance-opencv.markdown b/_posts/2017-03-19-measuring-size-and-distance-opencv.markdown
index 0a35dc1..7a1e65a 100644
--- a/_posts/2017-03-19-measuring-size-and-distance-opencv.markdown
+++ b/_posts/2017-03-19-measuring-size-and-distance-opencv.markdown
@@ -143,7 +143,7 @@ for ((xA, yA), (xB, yB), color) in zip(refCoords, objCoords, colors):
     cv2.waitKey(0)
 ```
 
-Below is an example of it using a bottle cap (estimated to be about 0.995inches) calculating the distance to the a hand.
+Below is an example of it using a bottle cap (estimated to be about 25 millimeters) calculating the distance to the a hand.
 
 {% capture fig_img %}
 ![Hand measurement large box]({{ site.url }}/images/posts/2017-03-19/hand-measurement-large-box.png)
@@ -198,4 +198,4 @@ The index finger and middle finger of the model should be fairly similar in leng
 ## References
 ---
 
-Measuring size of objects in an image with OpenCV - [http://www.pyimagesearch.com/2016/03/28/measuring-size-of-objects-in-an-image-with-opencv/](http://www.pyimagesearch.com/2016/03/28/measuring-size-of-objects-in-an-image-with-opencv/)
\ No newline at end of file
+Measuring size of objects in an image with OpenCV - [http://www.pyimagesearch.com/2016/03/28/measuring-size-of-objects-in-an-image-with-opencv/](http://www.pyimagesearch.com/2016/03/28/measuring-size-of-objects-in-an-image-with-opencv/)