diff --git a/doc/Guidebook.mn b/doc/Guidebook.mn
index 13a59e1da..72a3fad13 100644
--- a/doc/Guidebook.mn
+++ b/doc/Guidebook.mn
@@ -6815,7 +6815,7 @@ At the time of the NetHack 5.0 release, the core development team,
 active and erstwhile, included \fBWarwick Allison\fP, \fBMichael Allison\fP,
 \fBKen Arromdee\fP, \fBDavid Cohrs\fP, \fBJessie Collet\fP, \fBBart House\fP,
 \fBKevin Hugo\fP, \fBPasi Kallinen\fP, \fBKen Lorber\fP, \fBDean Luick\fP,
-\fBPat Rankin\fP, \fBDerek S. Ray\fP, \bBAlex Smith\fP, \fBPatric Mueller\fP,
+\fBPat Rankin\fP, \fBDerek S. Ray\fP, \fBAlex Smith\fP, \fBPatric Mueller\fP,
 \fBMike Stephenson\fP, \fBJanet Walz\fP, \fBPaul Winner\fP.
 .pg
 \fBKen Lorber\fP, \fBPat Rankin\fP, \fBPatrick Mueller\fP and