diff --git a/doc/mkvmerge.1 b/doc/mkvmerge.1
index 65d6f4f65..45ce9c3bd 100644
--- a/doc/mkvmerge.1
+++ b/doc/mkvmerge.1
@@ -227,7 +227,7 @@ tracks by selecting different track IDs each time.
 Read tags for the track with the number \fITID\fR from the \fIfile\fR. See
 the section about tags below for details.
 .TP
-\fB\-\-aab\-is\-sbr\fR <\fITID\fR>
+\fB\-\-aac\-is\-sbr\fR <\fITID\fR>
 Tells \fBmkvmerge\fR that the track with the ID \fITID\fR is SBR AAC (also
 known as HE-AAC or AAC+). This options is needed if a) the source file is an
 AAC file (NOT for a Matroska file) and b) the AAC file contains SBR AAC data.