diff --git a/Service-Function-Usage.md b/Service-Function-Usage.md
index 13b227a..cea180a 100644
--- a/Service-Function-Usage.md
+++ b/Service-Function-Usage.md
@@ -60,3 +60,11 @@ As a means to help with testing and verifying, this page serves to list a handfu
 #### DisconnectNpad
 
 - ARMS (required to go in-game)
+
+## pctl
+
+### IParentalControlService
+
+#### CheckFreeCommunicationPermission
+
+- Required for save files to load properly in Splatoon 2
\ No newline at end of file