diff --git a/Pmodules/modulecmd.bash.in b/Pmodules/modulecmd.bash.in
index bff68c9..f172cf5 100644
--- a/Pmodules/modulecmd.bash.in
+++ b/Pmodules/modulecmd.bash.in
@@ -2277,7 +2277,7 @@ subcommand_refresh() {
 
 #..............................................................................
 pmodules_setup() {
-	local -r 'Setup/initialize Pmodules environment.'
+	local -r __doc__='Setup/initialize Pmodules environment.'
 	local -r mode="${1:-check}"
 	init_used_groups() {
 		declare -gx UsedGroups=''