Update README.md

MonjaSebela · web-flow · commit 96a9e10d6d9f · 2021-06-24T11:13:15.000+02:00
Excess space
diff --git a/dem/dem-difference/README.md b/dem/dem-difference/README.md
@@ -20,6 +20,6 @@ A darker blue colour indicates larger positive differences of Mapzen DEM's value
 
 ![dem difference legend](fig/fig2.png)
  
- ## Author of the script
+## Author of the script
  
 Chung-Xiang Hong
