fix headings

README.md

-#eduGAIN Access Check
+# eduGAIN Access Check
 
-##Overview
+## Overview
 
 eduGAIN Access Check can be used by SP admins to validate the behaviour of
 their federated service in a production environment.
@@ -9,7 +9,7 @@ It is actually composed of two parts:
 * account manager
 * identity provider
 
-##Account Manager
+## Account Manager
 
 This is a web application developed in Perl, allowing SP admins to create test accounts with multiple user profiles.
 
@@ -81,11 +81,11 @@ Another cron task has to be set for purging expired tokens and accounts. For ins
 02 0 * * * root /usr/local/bin/account-manager.pl list_accounts --expired --delete > /dev/null
 ```
 
-##Identity Provider
+## Identity Provider
 
 The identity provider is actually [simpleSAMLphp](https://simplesamlphp.org/).
 
-##Licensing
+## Licensing
 This software is licensed under GÉANT Standard Open Source Software Outward
 Licence.