kbuild: two minor updates for Documentation/kbuild/modules.rst

Capitalize the first word in the sentence.

Use obj-m instead of obj-y. obj-y still works, but we have no built-in
objects in external module builds. So, obj-m is better IMHO.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index 33a1712..774a998 100644 (file)
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -502,7 +502,7 @@ build.
 ----------------------------------------
 
        Sometimes, an external module uses exported symbols from
-       another external module. kbuild needs to have full knowledge of
+       another external module. Kbuild needs to have full knowledge of
        all symbols to avoid spitting out warnings about undefined
        symbols. Three solutions exist for this situation.
 
@@ -522,7 +522,7 @@ build.
                The top-level kbuild file would then look like::
 
                        #./Kbuild (or ./Makefile):
-                               obj-y := foo/ bar/
+                               obj-m := foo/ bar/
 
                And executing::