Update README

README.md

@@ -1,21 +1,21 @@
-#UC3-Portal
+# UC3-Portal
 
 Download and Metadata Portal for the UNISDR-Data at https://gar.mnm-team.org
 
-# Use Docker to build and run the portal
+## Use Docker to build and run the portal
 
 ```
 $ sudo docker build -t gar-portal . 
 $ sudo docker run -it -p 9000:8080 --name gar -e DIR='/tmp' --rm gar-portal
 
 ```
-# Environment Variables
+## Environment Variables
 
 ```
 -e DIR='PATH_TO_DIRECTORY'
 
 ```
 
 Use this variable with docker run to specify which directory in the container
-should be mounted. Be aware that due to the initial caching of file structure
-and sizes, the first startup may take a while.
+should be hosted. Be aware that due to the initial caching of file structure
+and sizes, the first startup may take a while for large directories.