diff --git a/completions/zsh/_bwrap b/completions/zsh/_bwrap
index caa45ce..7e68795 100755
--- a/completions/zsh/_bwrap
+++ b/completions/zsh/_bwrap
@@ -15,9 +15,9 @@ _bwrap_args=(
     '--chdir DIR[Change directory to DIR]: : _files -/'
     '--dev-bind-try[Equal to --dev-bind but ignores non-existent SRC]:source:_files:destination:_files'
     '--dev-bind[Bind mount the host path SRC on DEST, allowing device access]:source:_files:destination:_files'
-    '--dev[Mount new dev on DEST]: :'
+    '--dev[Mount new dev on DEST]:mount point for /dev:_files -/'
     "--die-with-parent[Kills with SIGKILL child process (COMMAND) when bwrap or bwrap's parent dies.]"
-    '--dir[Create dir at DEST]: :'
+    '--dir[Create dir at DEST]:directory to create:_files -/'
     '--exec-label[Exec label for the sandbox]: :'
     '--file-label[File label for temporary sandbox content]: :'
     '--file[Copy from FD to destination DEST]: :_guard "[0-9]#" "file descriptor to read content from":destination:_files'
@@ -27,10 +27,10 @@ _bwrap_args=(
     '--info-fd[Write information about the running container to FD]: :_guard "[0-9]#" "file descriptor to write to"'
     '--json-status-fd[Write container status to FD as multiple JSON documents]: :_guard "[0-9]#" "file descriptor to write to"'
     '--lock-file[Take a lock on DEST while sandbox is running]: :'
-    '--mqueue[Mount new mqueue on DEST]: :'
+    '--mqueue[Mount new mqueue on DEST]:mount point for mqueue:_files -/'
     '--new-session[Create a new terminal session]'
     '--pidns[Use this user namespace (as parent namespace if using --unshare-pid)]: :'
-    '--proc[Mount new procfs on DEST]: :'
+    '--proc[Mount new procfs on DEST]:mount point for procfs:_files -/'
     '--remount-ro[Remount DEST as readonly; does not recursively remount]: :'
     '--ro-bind-data[Copy from FD to file which is readonly bind-mounted on DEST]: :_guard "[0-9]#" "file descriptor to read content from":destination:_files'
     '--ro-bind-try[Equal to --ro-bind but ignores non-existent SRC]:source:_files:destination:_files'
@@ -39,7 +39,7 @@ _bwrap_args=(
     '--setenv[Set an environment variable]: :'
     '--symlink[Create symlink at DEST with target SRC]: : :'
     '--sync-fd[Keep this fd open while sandbox is running]: :_guard "[0-9]#" "file descriptor to keep open"'
-    '--tmpfs[Mount new tmpfs on DEST]: :'
+    '--tmpfs[Mount new tmpfs on DEST]:mount point for tmpfs:_files -/'
     '--uid[Custom uid in the sandbox (requires --unshare-user or --userns)]: :'
     '--unsetenv[Unset an environment variable]: :'
     '--unshare-all[Unshare every namespace we support by default]'