Fix video link in readme (thanks @uniquejack)

readme.md

@@ -154,7 +154,7 @@ Internally, animations apply their properties on the local style of the element.
 
 Animations currently support full interpolation of transforms, largely following the CSS specifications. Additionally, interpolation is supported for colors, numbers, lengths, and percentages.
 
-Animations are very powerful coupled with transforms. See the animation sample project for more examples and details. There are also some [video demonstrations](https://mikke89.github.io/RmlUiDoc/pages/rmlui_features.html) of these features in the documentation.
+Animations are very powerful coupled with transforms. See the animation sample project for more examples and details. There are also some [video demonstrations](https://mikke89.github.io/RmlUiDoc/pages/rcss/animations_transitions_transforms.html) of these features in the documentation.
 
 
 ## Transitions