Merge pull request #5229 from galaxyproject/nomadscientist-patch-1

Update matrix link

topics/single-cell/index.md

@@ -13,8 +13,8 @@ Check out workflows shared by users like you!
 
 ## Want to contribute?
 
-If you want to help us behind the scenes, from testing workflows and tutorials to building tools, join our Galaxy Single Cell Community of Practice!
+If you want to help us behind the scenes, from testing workflows and tutorials to building tools, join our Galaxy Single-cell & sPatial Omics Community of Practice!
 
  - {% icon point-right %}  [Community of Practice](https://galaxyproject.org/projects/singlecell/)
- - {% icon feedback %}  [Matrix Chat Forum](https://matrix.to/#/#usegalaxy-eu_single-cell-workflows:gitter.im)
+ - {% icon feedback %}  [Matrix Chat Forum](https://matrix.to/#/#spoc3:matrix.org)
  - {% icon email %}  [Mailing List](https://lists.galaxyproject.org/lists/single-cell-cop.lists.galaxyproject.org/)