1 files changed, 2 insertions, 1 deletions

diff --git a/src/Blocks/BlockHandler.h b/src/Blocks/BlockHandler.h
index d027d3cdc..7fbc15ff5 100644
--- a/src/Blocks/BlockHandler.h
+++ b/src/Blocks/BlockHandler.h
@@ -81,7 +81,8 @@ public:
 	returns true if the use was successful, return false to use the block as a "normal" block */
 	virtual bool OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) { return false; }
 
-	/** Called when a right click to this block is cancelled */
+	/** Called when a right click to this block is cancelled.
+	It forces the server to send the real state of a block to the client to prevent client assuming the operation is successfull */
 	virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) {}
 
 	/** Called when the item is mined to convert it into pickups. Pickups may specify multiple items. Appends items to a_Pickups, preserves its original contents */