diff --git a/docs/ref/contrib/gis/geos.txt b/docs/ref/contrib/gis/geos.txt
index e206022ca0..f35bd0b1e5 100644
--- a/docs/ref/contrib/gis/geos.txt
+++ b/docs/ref/contrib/gis/geos.txt
@@ -351,7 +351,8 @@ return a boolean.
 
 .. method:: GEOSGeometry.contains(other)
 
-Returns ``True`` if :meth:`GEOSGeometry.within` is ``False``.
+Returns ``True`` if :meth:`other.within(this) <GEOSGeometry.within>` returns
+``True``.
 
 .. method:: GEOSGeometry.crosses(other)