[PATCH] usermanual : update note about PR

[Eric Benard <eric@eukrea.com>]

quoting Koen Kooi : Please don't set variables to the current default
value, but leave them out. We had tons of problems with vars getting
copy/paste where the default changed and we had to manually fix those
(e.g. efl.bbclass still pokes needlessly at PACKAGES).

Signed-off-by: Eric Benard <eric@eukrea.com>
---
 docs/usermanual/chapters/recipes.xml |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/usermanual/chapters/recipes.xml b/docs/usermanual/chapters/recipes.xml
index cad1d80..30364c0 100644
--- a/docs/usermanual/chapters/recipes.xml
+++ b/docs/usermanual/chapters/recipes.xml
@@ -323,9 +323,9 @@ mv fixed.recipe.bb myrecipe.bb</screen></para>
     then the default value of "r0" is used.</para>
 
     <para><note>
-        <para>It is good practice to always define PR in your recipes, even
-        for the <emphasis>"r0"</emphasis> release, so that when editing the
-        recipe it is clear that the PR number needs to be updated.</para>
+        <para>As PR is set to "r0" as a default, it must not be defined at the
+        creation of the recipe. When editing the recipe for the first time, the
+        PR variable must be defined to "r1".</para>
 
         <para>You should always increment PR when modifying a recipe.
         Sometimes this can be avoided if the change will have no effect on the
-- 
1.6.3.3