Update README.md

Cosmetic markup

Author: jimklimov

README.md

@@ -76,16 +76,16 @@ This script is here to allow managing a git repository in the directory it
 resides in as a sort of cache, usable as a reference git repo for faster
 clones e.g. in a CI environment.
 
-NOTE: Development of this script has been separated into
-https://github.com/jimklimov/git-refrepo-scripts
-to better align with related evolution of Jenkins Git Client plugin
-proposed in https://github.com/jenkinsci/git-client-plugin/pull/644
-
-** Thanks to bits of wisdom at https://stackoverflow.com/a/57133963/4715872
-   and https://pcarleton.com/2016/11/10/ssh-proxy/ I now know that if we have
-   overloaded our firewall banging SSH repos at `github.com:22` we can also
-   fetch over make-believe HTTPS port including over a proxy like Squid with
-   `ProxyCommand` line un-commented below):
+    NOTE: Development of this script has been separated into
+    https://github.com/jimklimov/git-refrepo-scripts
+    to better align with related evolution of Jenkins Git Client plugin
+    proposed in https://github.com/jenkinsci/git-client-plugin/pull/644
+
+    * Thanks to bits of wisdom at https://stackoverflow.com/a/57133963/4715872
+      and https://pcarleton.com/2016/11/10/ssh-proxy/ I now know that if we have
+      overloaded our firewall banging SSH repos at `github.com:22` we can also
+      fetch over make-believe HTTPS port including over a proxy like Squid with
+      `ProxyCommand` line un-commented below):
 ````
 ### ~/.ssh/config
 Host github.com