Documentation.md

@@ -46,7 +46,7 @@ To gain access to Ramses, you need to fulfil three requirements (in any order):
 
 - apply for a project
 - secure the connection with SSH keys (first factor)
-- set up a second authentication factor (2FA -- two-factor authentication)
+- set up a second authentication factor (2FA - two-factor authentication)
 
 Apply for a **user account**: