diff --git a/interface/wx/image.h b/interface/wx/image.h
index 46f339dd3b..a54fc868f9 100644
--- a/interface/wx/image.h
+++ b/interface/wx/image.h
@@ -823,6 +823,12 @@ public:
 
         Takes care of the mask colour and out of bounds problems.
 
+        @param image
+            The image containing the data to copy, must be valid.
+        @param x
+            The horizontal position of the position to copy the data to.
+        @param y
+            The vertical position of the position to copy the data to.
         @param alphaBlend
             This parameter (new in wx 3.1.5) determines whether the alpha values
             of the original image replace (default) or are composed with the