manifest: 19.0 -> 19.1

Change-Id: Ie005be7ba0519488800db616cb22fee677d2bd73
diff --git a/README.mkdn b/README.mkdn
index 1f0001d..8664572 100644
--- a/README.mkdn
+++ b/README.mkdn
@@ -8,7 +8,7 @@
 
 To initialize your local repository using the LineageOS trees, use a command like this:
 ```
-repo init -u https://github.com/LineageOS/android.git -b lineage-19.0
+repo init -u https://github.com/LineageOS/android.git -b lineage-19.1
 ```
 Then to sync up:
 ```