diff --git a/lineage_FP3.mk b/lineage_FP3.mk
index 4195e5d1795fee8319b34c9f822f773073b1e594..39422ce90e56a040b3481a11b0daa95949fe8c43 100644
--- a/lineage_FP3.mk
+++ b/lineage_FP3.mk
@@ -42,4 +42,9 @@ PRODUCT_BUILD_PROP_OVERRIDES += \
 # Set BUILD_FINGERPRINT variable to be picked up by both system and vendor build.prop
 BUILD_FINGERPRINT := Fairphone/FP3/FP3:10/8901.3.A.0135.20211222/gms-3e31ddee:user/release-keys
 
+# The below PLATFORM_SECURITY_PATCH_OVERRIDE variable has to be synced
+# with the microG device fingerprint for SagetyNet purposes and should
+# not be modified.
+# The value of this variable must be equal or older than the current
+# system one in android_build.
 PLATFORM_SECURITY_PATCH_OVERRIDE := 2022-01-05