diff --git a/JuliaIMZML_GUI/app.jl.html b/JuliaIMZML_GUI/app.jl.html
index 9fdf524..006be20 100644
--- a/JuliaIMZML_GUI/app.jl.html
+++ b/JuliaIMZML_GUI/app.jl.html
@@ -3,7 +3,7 @@
Please make sure the ibd file is located in the same directory as the imzML file
-Once an image is loaded, reload the page to clear possible memory usage
+It may take a while to generate the image, don't press the Start button more than once until it finishes
-
\ No newline at end of file
+