[Buildroot] [PATCH v2 2/2] docs/manual: update pkg-kconfig doc about <pkg>-show-fragment

[Marcus Folkesson]

Describe this new target.

Signed-off-by: Marcus Folkesson <marcus.folkesson at gmail.com>
---
 docs/manual/adding-packages-kconfig.txt | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/docs/manual/adding-packages-kconfig.txt b/docs/manual/adding-packages-kconfig.txt
index a35681775f..b67430c85f 100644
--- a/docs/manual/adding-packages-kconfig.txt
+++ b/docs/manual/adding-packages-kconfig.txt
@@ -45,9 +45,11 @@ This snippet creates the following make targets:
 
 * +foo-diff-config+, which outputs the differences between the current
   configuration and the one defined in the Buildroot configuration for
-  this kconfig package. The output is useful to identify the
-  configuration changes that may have to be propagated to
-  configuration fragments for example.
+  this kconfig package. The output is useful to identify
+  configuration changes.
+
+* +foo-show-fragment+, Similiar to +foo-diff-config+, but with an output
+  format more suitable to be used in fragment files.
 
 and ensures that the source configuration file is copied to the build
 directory at the right moment.
-- 
2.38.1