diff --git a/docs/user_manual/processing_algs/qgis/vectoroverlay.rst b/docs/user_manual/processing_algs/qgis/vectoroverlay.rst
index 9aa5a6e3f78..1871f67a56d 100644
--- a/docs/user_manual/processing_algs/qgis/vectoroverlay.rst
+++ b/docs/user_manual/processing_algs/qgis/vectoroverlay.rst
@@ -206,8 +206,8 @@ Any features which intersect the extent will be included.
 .. figure:: img/extractbyextent.png
   :align: center
 
-  Extract operation between a three-feature input layer 'a' and the extent, 
-  displayed in red for reference, of a two-feature overlay layer 'b' (left) - 
+  Extract operation between a three-feature input layer 'a' and an extent, 
+  displayed in red for reference - 
   resulting features with dashed extent for reference (right)
 
 .. seealso:: :ref:`qgisclip`