Update src/content/pages/guidelines.mdx

Co-authored-by: Hugo van Kemenade <[email protected]>

Author: cmaureir

src/content/pages/guidelines.mdx

@@ -220,7 +220,7 @@ If you will need helpers for your session, please add them to your session in Pr
 Programme Committee ([email protected]) ahead of the conference, as we’ll need to give them
 something for them to be able to attend the tutorials (in case they don't have
 tutorial tickets). In the case they do have tutorial tickets, let us know
-anyways.
+anyway.
 
 To keep a more relaxed learning atmosphere there will be no video recording of your tutorial. Please
 note that this also means that participants cannot scroll back if they miss something, so if in