manuals: add missing references to variables

[YOCTO #14508]
(From yocto-docs rev: 7878a21be8fb6c7a1ab88ae44aa5f7bf0079391a)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/dev-manual/packages.rst b/documentation/dev-manual/packages.rst
index 5f7bd68b9a..afd8bfc945 100644
--- a/documentation/dev-manual/packages.rst
+++ b/documentation/dev-manual/packages.rst
@@ -220,7 +220,7 @@ The alternative to setting up a PR Service is to manually "bump" the
 :term:`PR` variable.
 
 If a committed change results in changing the package output, then the
-value of the PR variable needs to be increased (or "bumped") as part of
+value of the :term:`PR` variable needs to be increased (or "bumped") as part of
 that commit. For new recipes you should add the :term:`PR` variable and set
 its initial value equal to "r0", which is the default. Even though the
 default value is "r0", the practice of adding it to a new recipe makes