Update

ftplugin/bicep.vim

@@ -0,0 +1,21 @@
+if polyglot#init#is_disabled(expand('<sfile>:p'), 'bicep', 'ftplugin/bicep.vim')
+  finish
+endif
+
+" bicep.vim - basic bicep integration
+" Maintainer: Carl Smedstad <carl.smedstad at protonmail dot com>
+
+if exists('b:did_ftplugin') || v:version < 700 || &compatible
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpoptions
+set cpoptions&vim
+
+" Set the commentstring
+setlocal commentstring=//%s
+let b:undo_ftplugin = ' commentstring<'
+
+let &cpoptions = s:cpo_save
+unlet s:cpo_save