diff --git a/EnvironmentVariables.md b/EnvironmentVariables.md
index 5bf949b..cf62c1b 100644
--- a/EnvironmentVariables.md
+++ b/EnvironmentVariables.md
@@ -56,6 +56,7 @@ eg. a section of the path
 we could add ^$ anchors to expressions
 
 
+maybe special keyword for PATH elements because it is so common
 
 
 ### Examples