meta-ibm: Update notes file to be clearer

(From meta-ibm rev: c203fa3d1ca3de7d61b3c06a22dbf4385202cc78)

Change-Id: Iab1adeab9ff493e05e26f31f72c9cb708f28e73e
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-ibm/conf/conf-notes.txt b/meta-ibm/conf/conf-notes.txt
index 1716a40..f877231 100644
--- a/meta-ibm/conf/conf-notes.txt
+++ b/meta-ibm/conf/conf-notes.txt
@@ -1,4 +1,4 @@
-Sample meta-witherspoon build invocations:
+Example build invocations:
 
 mihawk:
 DISTRO=openbmc-witherspoon MACHINE=mihawk bitbake obmc-phosphor-image