Merge pull request 'Apache config: fix a typo & allow to copy/paste' (#127) from pilou/documentation:doc_apache_add_slash into main

Reviewed-on: plume/documentation#127

source/installation/proxy/apache.html.md

@@ -57,19 +57,21 @@ Since Apache httpd 2.4.30, there's a new *experimental* module called [mod_md](h
 ```apache
 MDBaseServer on
 MDCertificateAgreement https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf
-MDRequireHttps permanent    # This means our http vhost will be automatically redirect to https
-ServerAdmin you@DOMAIN_NAME # This is required to register with Let's Encrypt
+# The next configuration directive means our http vhost will be automatically redirect to https
+MDRequireHttps permanent
+# ServerAdmin is required to register with Let's Encrypt
+ServerAdmin you@DOMAIN_NAME
 
 MDomain DOMAIN_NAME auto
 
 <VirtualHost *:80>
     ServerName DOMAIN_NAME
-<VirtualHost>
+</VirtualHost>
 
 <VirtualHost *:443>
     ServerName DOMAIN_NAME
     ProxyPass / http://127.0.0.1:7878/
     ProxyPassReverse / http://127.0.0.1:7878/
     SSLEngine On
-<VirtualHost>
+</VirtualHost>
 ```