Update index.md

adtzlr · Sep 27, 2023 · 86d7127 · 86d7127
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@@ -17,7 +17,10 @@ Commercial FEM software packages offer interfaces (user subroutines written in F
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4077378.svg)](https://doi.org/10.5281/zenodo.4077378)
 
-If you use *Tensor Toolbox for Modern Fortran (ttb)* in your work, please cite this toolbox in your publications. Thanks! **Hint**: The DOI-badge always resolves to the latest version of this toolbox - if you prefer a version-specific DOI, hit the DOI-badge and pick a version on Zenodo.
+If you use *Tensor Toolbox for Modern Fortran (ttb)* in your work, please cite this toolbox in your publications. Thanks! 
+
+{: .note }
+>The DOI-badge always resolves to the latest version of this toolbox - if you prefer a version-specific DOI, hit the DOI-badge and pick a version on Zenodo.
 
 Andreas Dutzler. *Tensor Toolbox for Modern Fortran - High-Level Tensor Manipulation in Fortran*. DOI: 10.5281/zenodo.4077378.