add description for data defined2

qgis · Jun 27, 2018 · 70cef1c · 70cef1c
1 parent f4a0972
commit 70cef1c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/source/docs/user_manual/processing_algs/qgis/vectorgeometry.rst b/source/docs/user_manual/processing_algs/qgis/vectorgeometry.rst
@@ -1160,7 +1160,9 @@ Parameters
   Input vector layer.
 
 ``Number of rings`` [number]
-  Total number of rings that the buffer must have.
+  Total number of rings that the buffer must have. It can be an unique value (same
+  ring number for all the features) or it can be taken from features data (different
+  ring number depending on the feature values).
 
 ``Distance between rings`` [number]
   Distance between the single rings. It can be an unique value (same distance for