diff --git a/plugins/Toolbox/src/Toolbox.py b/plugins/Toolbox/src/Toolbox.py
index 0436befdb9..85bfaeafb2 100644
--- a/plugins/Toolbox/src/Toolbox.py
+++ b/plugins/Toolbox/src/Toolbox.py
@@ -779,6 +779,8 @@ class Toolbox(QObject, Extension):
             self._view_category = category
             self.viewChanged.emit()
 
+    ## Function explicitly defined so that it can be called through the callExtensionsMethod
+    # which cannot receive arguments.
     def setViewCategoryToMaterials(self) -> None:
         self.setViewCategory("material")