diff --git a/en/glossary.txt b/en/glossary.txt
index e79a033af8c..d826c9ba36d 100644
--- a/en/glossary.txt
+++ b/en/glossary.txt
@@ -45,8 +45,12 @@
     GD
         `GD <http://www.libgd.org/Main_Page>`__ is a graphics library for 
         dynamic generation of images.  It was the first graphics renderer that 
-        was available for MapServer, and it is required by MapServer to 
+        was available for MapServer, and was required by MapServer to 
         operate.
+
+        .. warning::
+
+          GD support was removed in Mapserver 7.0.
         
     GDAL
         GDAL (Geospatial Data Abstraction Library) is a multi-format raster