Make sure we recommend 2GB

doc/install/requirements.md

@@ -67,8 +67,8 @@ You need at least 2GB of addressable memory (RAM + swap) to install and use GitL
 With less memory GitLab will give strange errors during the reconfigure run and 500 errors during usage.
 
 - 512MB RAM + 1.5GB of swap is the absolute minimum but we strongly **advise against** this amount of memory. See the unicorn worker section below for more advice.
-- 1GB RAM + 1GB swap supports up to 100 users but it will be slow
-- **2GB RAM** is the **recommended** memory size and supports up to 100 users
+- 1GB RAM + 1GB swap supports up to 100 users but it will be very slow
+- **2GB RAM** is the **recommended** memory size for all installations and supports up to 100 users
 - 4GB RAM supports up to 1,000 users
 - 8GB RAM supports up to 2,000 users
 - 16GB RAM supports up to 4,000 users