diff --git a/contributors.md b/contributors.md
index 622d021844..8e53a8bff0 100644
--- a/contributors.md
+++ b/contributors.md
@@ -26,7 +26,7 @@ Includes all git commit authors. Aliases are GitHub user names.
 * (vanderkleij) - Misc.
 * Ben Pye (benpye) - Misc.
 * (JeroenSack) - Misc.
-* (Vijfhoek) - Misc.
+* Sijmen Schoon (SijmenSchoon) - Misc.
 * (wolfreak99) - Misc.
 * Inseok Lee (dlunch) - Original command line
 * Lewis Fox (LRFLEW) - Misc.
@@ -93,7 +93,7 @@ Includes all git commit authors. Aliases are GitHub user names.
 * English (UK) - Ted John (IntelOrca), (Tinytimrob)
 * English (US) - Ted John (IntelOrca), Michael Steenbeek (Gymnasiast); small fixes: (LRFLEW), (mike-koch), Harry Lam (daihakken)
 * Czech - Martin Černáč (octaroot), (Clonewayx), Tomáš Pazdiora (Aroidzap)
-* Dutch - Michael Steenbeek (Gymnasiast), Yannic Geurts (xzbobzx), (mrtnptrs), Thomas den Hollander (ThomasdenH), (hostbrute),  Marijn van de Werf (marijnvdwerf); reviewing and discussion: Aaron van Geffen (AaronVanGeffen), (Balletie) and Sijmen Schoon (Vijfhoek).
+* Dutch - Michael Steenbeek (Gymnasiast), Yannic Geurts (xzbobzx), (mrtnptrs), Thomas den Hollander (ThomasdenH), (hostbrute),  Marijn van de Werf (marijnvdwerf); reviewing and discussion: Aaron van Geffen (AaronVanGeffen), (Balletie) and Sijmen Schoon (SijmenSchoon).
 * Finnish - (DJHasis), (Zode), (TheWing)
 * French - (fbourigault), Joël Troch (JoelTroch), Michael Steenbeek (Gymnasiast), Romain Vigier (rvgr),  (AziasYur), Hugo Courtial (s0r00t), David Delobel (incyclum)
 * German - (danidoedel), (atmaxinger), (Yepoleb), Daniel Kessel (dkessel), Leon (AllGoodNamesAreTaken), (raidcookie)