doc: fix debug policy DT path

Test: TH
Change-Id: Ibb7ac263f592643995e2a798e38ae33eeb3e2ab1
diff --git a/docs/debug/README.md b/docs/debug/README.md
index b7729a4..1e5f096 100644
--- a/docs/debug/README.md
+++ b/docs/debug/README.md
@@ -74,12 +74,14 @@
 
         __overlay__ {
             avf {
-                common {
-                    log = <1>; // Enable kernel log and logcat
-                    ramdump = <1>; // Enable ramdump
-                }
-                microdroid {
-                    adb = <1>; // Enable ADB connection
+                guest {
+                    common {
+                        log = <1>; // Enable kernel log and logcat
+                        ramdump = <1>; // Enable ramdump
+                    }
+                    microdroid {
+                        adb = <1>; // Enable ADB connection
+                    }
                 }
             };
         };