diff --git a/doc/articles/scripts.md b/doc/articles/scripts.md
index 5d2a377bb13f..37fe8e7ff24a 100644
--- a/doc/articles/scripts.md
+++ b/doc/articles/scripts.md
@@ -46,7 +46,9 @@ Composer fires the following named events during its execution process:
 ### Installer Events
 
 - **pre-operations-exec**: occurs before the install/upgrade/.. operations
-  are executed when installing a lock file.
+  are executed when installing a lock file. Plugins that need to hook into
+  this event will need to be installed globally to be usable, as otherwise
+  they would not be loaded yet when a fresh install of a project happens.
 
 ### Package Events