Fix line length of scs5_software.md.

doc.zih.tu-dresden.de/docs/archive/scs5_software.md

@@ -26,7 +26,8 @@ remove it and accept the new one after comparing its fingerprint with those list
 
 Starting with SCS5, we do not support [C environment modules](http://modules.sourceforge.net/)
 anymore. We only provide [Lmod](http://lmod.readthedocs.io/en/latest/index.html) as the environment
-module tool of choice. Refer to the [module page](../software/modules.md) for further information on modules.
+module tool of choice. Refer to the [module page](../software/modules.md) for further information on
+modules.
 
 As usual, you can get a list of the available software modules via: