diff --git a/index.html b/index.html
index ca9f204e6f5a2c83ab036c8bf02892f9efc6795e..44addc0b490823ccb67de91e93dc1c7b2346f600 100644
--- a/index.html
+++ b/index.html
@@ -100,7 +100,7 @@ easily interfaced as well.
     <a href="https://www.openfoam.com/">OpenFOAM</a>,
     <a href="https://www.code-aster.org/">Code_Aster</a>,
     <a href="https://www.3ds.com/fr/produits-et-services/simulia/produits/abaqus">Abaqus</a>
-    and <a href="http://www.calculix.de">CalculiX</a> can for example be readily
+    or <a href="http://www.calculix.de">CalculiX</a> can for example be readily
     interfaced this way.
 </ol>
 <p>