[dia] doc: text editing - fixed another old description

[Hans Breuer <hans src gnome org>]

commit 42927a6e6d07d2d011e4cc9032aeb2f49951687b
Author: Hans Breuer <hans breuer org>
Date:   Wed Jun 1 18:12:58 2011 +0200

    doc: text editing - fixed another old description

 doc/en/usage-objects-basic.xml |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/doc/en/usage-objects-basic.xml b/doc/en/usage-objects-basic.xml
index be1e215..9035ebb 100644
--- a/doc/en/usage-objects-basic.xml
+++ b/doc/en/usage-objects-basic.xml
@@ -31,7 +31,8 @@
       </note>
       <para>
         The text object, and several other objects, offers direct text entry in the
-        diagram.  Text can be entered by selecting the object and then typing the text. The font,
+        diagram.  Text can be entered by selecting the object for 
+	<link linkend="entering-text">text editing</link> and then typing the text. The font,
         size, and other formatting properties can be changed by double-clicking the
         object.
       </para>