Update capacity-computing.md

docs.it4i/general/capacity-computing.md

@@ -158,7 +158,7 @@ HyperQueue lets you build a computation plan consisting of a large amount of tas
 
 ### Features
 
-* **Transparent task execution on top of a Slurm/PBS cluster***
+* **Transparent task execution on top of a Slurm/PBS cluster**
 
   Automatic task distribution amongst jobs, nodes, and cores.
 
@@ -176,6 +176,10 @@ HyperQueue lets you build a computation plan consisting of a large amount of tas
 
 * **Open source**
 
+### Architecture
+
+![](../img/hq-architecture.png)
+
 ### Installation
 
 To install/compile HyperQueue, follow the steps on the [official webpage][b].