Fix code block in documentation

Change-Id: Ief2fa75d06fdc5d9cfdd71c309a73b725fed4f37
diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
index b59d97f..ee094c5 100644
--- a/src/main/resources/Documentation/about.md
+++ b/src/main/resources/Documentation/about.md
@@ -25,12 +25,14 @@
 [group reference](@URL@Documentation/dev-plugins.html#configuring-groups).
 
 `project.config` file
+
 ```
 [plugin "@PLUGIN@"]
 delegateProjectCreationTo = group group_name
 ```
 
 `groups` file
+
 ```
 group_uuid		group_name
 ```
@@ -41,12 +43,14 @@
 group, then the value is as following:
 
 `project.config` file
+
 ```
 [plugin "@PLUGIN@"]
 delegateProjectCreationTo = group Registered Users
 ```
 
 `groups` file
+
 ```
 global:Registered-Users		Registered Users
 ```
@@ -63,12 +67,14 @@
 - Type `orgA` as the filter then click on `orgA` project
 - Click `Edit Config` button
 - Add the following then click `Save` -> `Close`:
+
 	```
 	[plugin "@PLUGIN@"]
 	delegateProjectCreationTo = orgA-project-creators
 	```
 - Click `Add...` button then type and open `groups` file
 - Add the following then click `Save` -> `Close`:
+
 	```
 	3d2bef3b667a577f2dd5232e0848c526efd11b1f	orgA-project-creators
 	```