Capitalize cluster names; fix typo

doc.zih.tu-dresden.de/docs/software/modules.md

@@ -68,7 +68,7 @@ certain module, you can use `module avail softwarename` and it will display the
     ```
 
     As you can see, `MATLAB` in version `2022b` is available on Barnard within the releases `23.04`
-    and`23.10`. Additonally, the output provides the information how to load it:
+    and`23.10`. Additionally, the output provides the information how to load it:
 
     ```console
     marie@login.barnard$ module load release/23.10 MATLAB/2022b
@@ -194,7 +194,7 @@ marie@compute$ module load modenv/ml
 ### modenv/scs5 (default)
 
 * SCS5 software
-* usually optimized for Intel processors (Cluster `barnard`, `julia`)
+* usually optimized for Intel processors (Cluster `Barnard`, `Julia`)
 
 ### modenv/ml
 
@@ -207,7 +207,7 @@ Thus the 'machine code' of other modenvs breaks).
 ### modenv/hiera
 
 * uses a hierarchical module load scheme
-* optimized software for AMD processors (Cluster `romeo` and `alpha`)
+* optimized software for AMD processors (Cluster `Romeo` and `Alpha`)
 
 ### modenv/classic