fix typo

index.md

@@ -35,7 +35,7 @@ Use Dynare to solve and estimate your model, produce IRFs, perform identificatio
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 <h3>Platforms</h3>
-Dynare runs on top of Matlab and [GNU/Octave](https://www.gnu.org/software/octave/), an open-source Matlab clone. [Julia](https://julialang.org/) support coming soon!
+Dynare runs on top of Matlab and [GNU Octave](https://www.gnu.org/software/octave/), an open-source Matlab clone. [Julia](https://julialang.org/) support coming soon!
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 <h3>Ease of Use</h3>