Add some comments
diff --git a/product/common.mk b/product/common.mk
index 7bda031..d70ecbd 100644
--- a/product/common.mk
+++ b/product/common.mk
@@ -1,19 +1,26 @@
+# Generic cyanogenmod product
PRODUCT_NAME := cyanogen
PRODUCT_BRAND := cyanogen
PRODUCT_DEVICE := generic
+# Use edify for otapackage
TARGET_OTA_SCRIPT_MODE = edify
+# Add ROMManager build property
PRODUCT_PROPERTY_OVERRIDES += \
ro.rommanager.developerid=cyanogenmod
+# CyanogenMod specific product packages
PRODUCT_PACKAGES += \
CMParts \
Superuser
+# Copy over the changelog to the device
PRODUCT_COPY_FILES += \
vendor/cyanogen/CHANGELOG:system/etc/CHANGELOG-CM.txt
+# Allow the use of overlays
PRODUCT_PACKAGE_OVERLAYS := vendor/cyanogen/overlay
+# Always run in insecure mode, enables root on user build variants
ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=0