fix alignment

external/publication/publishInBiotools/publishInBiotools.md

@@ -89,10 +89,10 @@ platform, community _and_ collection. Remember to:
   - there is search support only for the collections; currently (March 2021) it
     seems that you cannot easily search for tools by ELIXIR nodes
 
-On top of that (but also if the tool is not related to ELIXIR) you add further collections: 
+On top of that (but also if the tool is not related to ELIXIR) you add further collections:
 
 |Group                   | Collection      |
-| ---------------------: | --------------: |
+| --------------------- | -------------- |
 |University of Luxembourg|            UniLu|
 |LCSB                    |             LCSB|
 |Biomedical Data Science |         LCSB-BDS|