diff --git a/src/utils/resources.py b/src/utils/resources.py
index 96e1b349d..65c8ee8cd 100644
--- a/src/utils/resources.py
+++ b/src/utils/resources.py
@@ -703,6 +703,7 @@ class AptDependenciesAppResource(AppResource):
 
     ##### Provision/Update:
     - The code literally calls the bash helpers `ynh_install_app_dependencies` and `ynh_install_extra_app_dependencies`, similar to what happens in v1.
+    - Note that when `packages` contains some phpX.Y-foobar dependencies, this will automagically define a `phpversion` setting equal to `X.Y` which can therefore be used in app scripts ($phpversion) or templates (`__PHPVERSION__`)
 
     ##### Deprovision:
     - The code literally calls the bash helper `ynh_remove_app_dependencies`