diff --git a/learning/features/3d/importing_3d_scenes.rst b/learning/features/3d/importing_3d_scenes.rst
index 37b41cf69..2c833f3e3 100644
--- a/learning/features/3d/importing_3d_scenes.rst
+++ b/learning/features/3d/importing_3d_scenes.rst
@@ -85,8 +85,9 @@ Source & target paths
 ~~~~~~~~~~~~~~~~~~~~~
 
 To import, two options are needed. The first is a source .dae file
-(.dae stands for Collada. More import formats will eventually added,
-but Collada is the most complete open format as of this writing).
+("Digital Asset Exchange", the extension of the Collada standard).
+More import formats will eventually added, but Collada is the most
+complete open format as of this writing.
 
 A target folder needs to be provided, so the importer can import the
 scene there. The imported scene will have the same filename as the