fix alignment space

external/publication/publishInBiotools/publishInBiotools.md

@@ -92,7 +92,7 @@ platform, community _and_ collection. Remember to:
 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|