ref-manual: Added a note about what the chapter covers.

(From yocto-docs rev: 5e9e57bf987be2d64ae7ac5137304aa9545e329d)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 92d2af110f4d883b9226a9ce2288226a0a2ce0da..99e9edb69b9690e6163d966ad9ef86ec7b9e7b1b 100644 (file)
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -28,6 +28,15 @@
     default behaviour.
 </para>
 
+<para>
+    This chapter discusses only the most useful and important classes.
+        Other classes do exist within the <filename>meta/classes</filename>
+        directory in the
+        <ulink url='&YOCTO_DOCS_DEV_URL;#source-directory'>Source Directory</ulink>.
+        You can reference the <filename>.bbclass</filename> files directly
+        for more information.
+</para>
+
 <section id='ref-classes-base'>
     <title>The base Class - <filename>base.bbclass</filename></title>