diff --git a/README.md b/README.md
index 73f819cb09..b627db9436 100755
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ by using the AFDKO makeotf tool.
 
 ## Getting Involved
 
-Send suggestions for changes to the Source Sans OpenType font project maintainer, [Paul D. Hunt](mailto:opensourcefonts@adobe.com?subject=[GitHub] Source Sans Pro), for consideration.
+Send suggestions for changes to the Source Sans OpenType font project maintainer, [Paul D. Hunt](mailto:opensourcefonts@adobe.com?subject=[GitHub]%20Source%20Sans%20Pro), for consideration.
 
 ## Further information