diff --git a/doc/opencv1/py/core_operations_on_arrays.rst b/doc/opencv1/py/core_operations_on_arrays.rst
index b7e240720..de811ef7d 100644
--- a/doc/opencv1/py/core_operations_on_arrays.rst
+++ b/doc/opencv1/py/core_operations_on_arrays.rst
@@ -62,7 +62,7 @@ AbsDiffS
 
 
 
-.. function:: AbsDiffS(src,value,dst)-> None
+.. function:: AbsDiffS(src,dst,value)-> None
 
     Calculates absolute difference between an array and a scalar.