diff --git a/documentation/dev-manual/dev-manual-model.xml b/documentation/dev-manual/dev-manual-model.xml
index d811ce2d74..2404be8274 100644
--- a/documentation/dev-manual/dev-manual-model.xml
+++ b/documentation/dev-manual/dev-manual-model.xml
@@ -65,7 +65,7 @@
         </para>
 
         <para>
-            <imagedata fileref="figures/bsp-dev-flow.png" width="6in" depth="7in" align="left" scale="100" />
+            <imagedata fileref="figures/bsp-dev-flow.png" width="6in" depth="8.5in" align="left" scale="100" />
         </para>
 
         <para>