working-with: board support

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/docs/manual/working-with.txt b/docs/manual/working-with.txt
index a57169c..4432b54 100644
--- a/docs/manual/working-with.txt
+++ b/docs/manual/working-with.txt
@@ -25,5 +25,5 @@
 
 * new packages: refer to the xref:adding-packages[Developer guide]
 
-* new board support: refer to the xref:customize-store[], more specifically
-  xref:customize-store-board-support[].
+* new board support: refer to the
+  xref:customize-store-board-support[Developer guide].