Fix readme

[softwarefactory-project-zuul[bot]]

Build failed. https://ansible.softwarefactory-project.io/zuul/buildset/ea4f21699dfa4806a0bc6b0142847fea

:x: ansible-test-sanity-docker-devel FAILURE in 6m 59s (non-voting) :x: ansible-test-sanity-docker-milestone FAILURE in 6m 57s (non-voting) :x: ansible-test-sanity-docker-stable-2.9 FAILURE in 11m 37s :x: ansible-test-sanity-docker-stable-2.10 FAILURE in 8m 11s :x: ansible-test-sanity-docker-stable-2.11 FAILURE in 11m 02s :heavy_check_mark: ansible-test-sanity-docker-stable-2.12 SUCCESS in 6m 59s :heavy_check_mark: ansible-test-units-frr-python36 SUCCESS in 5m 49s :heavy_check_mark: ansible-test-units-frr-python37 SUCCESS in 12m 26s :heavy_check_mark: ansible-test-units-frr-python38 SUCCESS in 4m 52s :heavy_check_mark: ansible-test-units-frr-python39 SUCCESS in 9m 09s :heavy_check_mark: ansible-tox-linters SUCCESS in 9m 59s :heavy_check_mark: ansible-galaxy-importer SUCCESS in 3m 46s :heavy_check_mark: build-ansible-collection SUCCESS in 6m 40s

[NilashishC]

recheck

[softwarefactory-project-zuul[bot]]

Build succeeded. https://ansible.softwarefactory-project.io/zuul/buildset/6c11f97f904e48189bd388526ec838d1

:heavy_check_mark: ansible-tox-linters SUCCESS in 10m 20s :heavy_check_mark: ansible-galaxy-importer SUCCESS in 3m 49s :heavy_check_mark: build-ansible-collection SUCCESS in 6m 51s