Update versions.md

Clearer language with less chance for confusion, Though -> Although -- edited because I was confused myself when I first read it.

doc/articles/versions.md

@@ -65,7 +65,7 @@ breaks until 2.0, that works well. Another way of looking at it is that using
 
 Example: `~1.2`
 
-> **Note:** Though `2.0-beta.1` is strictly before `2.0`, a version constraint
+> **Note:** Although `2.0-beta.1` is strictly before `2.0`, a version constraint
 > like `~1.2` would not install it. As said above `~1.2` only means the `.2`
 > can change but the `1.` part is fixed.