README: Rebrand cm to lineage

Change-Id: I999443ad8f5d49c050ded68e51b8de09c2a6baf0
diff --git a/README.mkdn b/README.mkdn
index ff518c4..36ce518 100644
--- a/README.mkdn
+++ b/README.mkdn
@@ -18,7 +18,7 @@
 
     sudo apt-get install python-git
 
-Copy <cm_version>_extra_packages.xml to .repo/local_manifests of each <cm_version> tree
+Copy <lineage_version>_extra_packages.xml to .repo/local_manifests of each <lineage_version> tree
 to make sure you sync all the extra packages not included in the main manifest.
 
 Executing
@@ -38,7 +38,7 @@
 
 Execute:
 
-    ./crowdin_sync.py --username your_gerrit_username --branch cm_version [--upload-sources] [--upload-translations] [--download]
+    ./crowdin_sync.py --username your_gerrit_username --branch lineage_version [--upload-sources] [--upload-translations] [--download]
 
 Bugs
 ----