Correct spelling of GROMACS (all caps)

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

@@ -170,7 +170,7 @@ of motion for systems with hundreds to millions of particles. It is primarily de
 biochemical molecules like proteins, lipids and nucleic acids that have a lot of complicated bonded
 interactions, but since GROMACS is extremely fast at calculating the nonbonded interactions (that
 usually dominate simulations), many groups are also using it for research on non-biological systems,
-e.g., polymers. For documentations see [Gromacs homepage](https://www.gromacs.org/).
+e.g., polymers. For documentations see [GROMACS homepage](https://www.gromacs.org/).
 
 GROMACSS is available as [modules](modules.md). Available packages can be listed and loaded with the
 following commands: