diff --git a/app/br/br.cpp b/app/br/br.cpp
index c421f3d..949b277 100644
--- a/app/br/br.cpp
+++ b/app/br/br.cpp
@@ -224,6 +224,8 @@ public:
                 daemon = true;
                 daemon_pipe = parv[0];
             } else if (!strcmp(fun, "slave")) {
+                // This is used internally by processWrapper, if you want to remove it, also remove
+                // plugins/core/processwrapper.cpp
                 check(parc == 1, "Incorrect parameter count for 'slave'");
                 br_slave_process(parv[0]);
             } else if (!strcmp(fun, "exit")) {