diff --git a/Modules.md b/Modules.md
index b0d83e6..3d2f37d 100644
--- a/Modules.md
+++ b/Modules.md
@@ -66,7 +66,7 @@ TODO
 # Image server
 https://gitlab.com/Daniel-KM/Omeka-S-module-ImageServer
 
-> Install IiifServer first
+> Important: You must install the IiifServer before installing the ImageServer
 
 Download the latest stable version from [the repository](https://gitlab.com/Daniel-KM/Omeka-S-module-UniversalViewer)