diff --git a/sh/main.sh b/sh/main.sh
index 09edeae..c4dc504 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -25,6 +25,7 @@ RWX_COMMAND_ARGUMENT="${0}"
 RWX_SHELL="$(cat "/proc/${$}/comm")"
 
 # command name used to run
+# (stripped from hyphen interactive flag)
 RWX_COMMAND_NAME="$(basename "${RWX_COMMAND_ARGUMENT}" | sed "s|^-||")"
 case "${RWX_COMMAND_NAME}" in
 "bash" | "dash" | "sh") unset RWX_COMMAND_NAME ;;