Fix zsh completion for 'docker exec --env'
@@ -1680,7 +1680,7 @@ __docker_subcommand() {
$opts_help \
$opts_attach_exec_run_start \
"($help -d --detach)"{-d,--detach}"[Detached mode: leave the container running in the background]" \
- "($help -e --env)"{-e,--env}"[Set environment variables]" \
+ "($help)*"{-e=,--env=}"[Set environment variables]:environment variable: " \
"($help -i --interactive)"{-i,--interactive}"[Keep stdin open even if not attached]" \
"($help)--privileged[Give extended Linux capabilities to the command]" \
"($help -t --tty)"{-t,--tty}"[Allocate a pseudo-tty]" \
