Fix /dev link for dd

Change-Id: Idc780289b740f64e51d030eb6c13fedd2ba22b87
diff --git a/_devices/lgl90.markdown b/_devices/lgl90.markdown
index 06d4893..2aa49e5 100644
--- a/_devices/lgl90.markdown
+++ b/_devices/lgl90.markdown
@@ -7,7 +7,7 @@
 maintainer: None
 oem: LG
 devicetree: https://github.com/TeamWin/android_device_lge_w7
-ddof: "dev/block/platform/msm_sdcc.1/by-name/recovery"
+ddof: "/dev/block/platform/msm_sdcc.1/by-name/recovery"
 ---
 
 {% include disclaimer.html %}