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-rw-r--r--src/terraform_gui.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
index 2947c258a..42a324571 100644
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -110,8 +110,9 @@ static void GenerateRockyArea(TileIndex end, TileIndex start)
/**
* A central place to handle all X_AND_Y dragged GUI functions.
- * @param e WindowEvent variable holding in its higher bits (excluding the lower
- * 4, since that defined the X_Y drag) the type of action to be performed
+ * @param proc Procedure related to the dragging
+ * @param start_tile Begin of the dragging
+ * @param end_tile End of the dragging
* @return Returns true if the action was found and handled, and false otherwise. This
* allows for additional implements that are more local. For example X_Y drag
* of convertrail which belongs in rail_gui.cpp and not terraform_gui.cpp