diff --git a/expert.html b/expert.html
index 3291c7e..83fa04d 100644
--- a/expert.html
+++ b/expert.html
@@ -76,7 +76,7 @@ $().ready(function(){
- Use 'z' or '>' to zoom in, 'x' or '<' to zoom out, click to probe signals and drag to pan.
+ Use 'z' or '>' to zoom in, 'x' or '<' to zoom out, click to probe signals and drag to pan.