diff --git a/preface.asciidoc b/preface.asciidoc
index 0973cab6..ef0cf472 100644
--- a/preface.asciidoc
+++ b/preface.asciidoc
@@ -219,6 +219,7 @@ Following is a list of notable GitHub contributors, including their GitHub ID in
 * Jorgeminator
 * Kai Bakker (kaibakker)
 * Mai-Hsuan Chia (mhchia)
+* marcofalke
 * Marzig (marzig76)
 * Matt McGivney (mattmcgiv)
 * Maximilian Reichel (phramz)