fixed heading levels

added blank lines as needed
incased url

database/redis/redis-5/README.md

@@ -1,14 +1,17 @@
 # Redis
-### From their [Website](https://redis.io/)
+
+## From their [Website](https://redis.io/)
+
 Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker.
 
-### Minimum RAM warning
+## Minimum RAM warning
+
 It's recommended to have 4gb of RAM for redis
 
-See here https://docs.redislabs.com/latest/rs/administering/designing-production/hardware-requirements/
+See here <https://docs.redislabs.com/latest/rs/administering/designing-production/hardware-requirements/>
 
+## Server Ports
 
-### Server Ports
 Ports required to run the server in a table format.
 
 | Port    | default |