diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
index 4c6aea1fdaa2..56b10f223419 100644
--- a/lib/mpl_toolkits/mplot3d/axes3d.py
+++ b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -390,9 +390,8 @@ def set_box_aspect(self, aspect, *, zoom=1):
 
         The box aspect is the ratio of height to width in display
         units for each face of the box when viewed perpendicular to
-        that face.  This is not to be confused with the data aspect
-        (which for Axes3D is always 'auto').  The default ratios are
-        4:4:3 (x:y:z).
+        that face.  This is not to be confused with the data aspect (see
+        `~.Axes3D.set_aspect`). The default ratios are 4:4:3 (x:y:z).
 
         To simulate having equal aspect in data space, set the box
         aspect to match your data range in each dimension.