Fix misspelling of maintainer for r7sf

Change-Id: I30e80e51e51f44d5ab72a89f53d840d00d843b5d
diff --git a/_devices/oppor7sf.markdown b/_devices/oppor7sf.markdown
index ac64502..a5f1405 100644
--- a/_devices/oppor7sf.markdown
+++ b/_devices/oppor7sf.markdown
@@ -4,7 +4,7 @@
 codename: r7sf

 downloadfolder: r7sf

 supportstatus: Current

-maintainer: Celoxcis

+maintainer: Celoxocis

 oem: Oppo

 devicetree: https://github.com/TeamWin/android_device_oppo_r7sf

 ---