diff --git a/documentation/dev-manual/dev-manual-bsp-appendix.xml b/documentation/dev-manual/dev-manual-bsp-appendix.xml
index 440e8a67fc..9c7d5b6a72 100644
--- a/documentation/dev-manual/dev-manual-bsp-appendix.xml
+++ b/documentation/dev-manual/dev-manual-bsp-appendix.xml
@@ -199,7 +199,7 @@
             Simply substitute the machine string name <filename>crownbay</filename>
             with the new machine name <filename>mymachine</filename> to get the following:
             <literallayout class='monospaced'>
-     BBFILE_COLLECTIONS_mymachine += "mymachine"
+     BBFILE_COLLECTIONS += "mymachine"
      BBFILE_PATTERN_mymachine := "^${LAYERDIR}/"
      BBFILE_PRIORITY_mymachine = "6"
             </literallayout>