diff --git a/icu4c/source/tools/genuca/genuca.8.in b/icu4c/source/tools/genuca/genuca.8.in
index cdaedf76473..168af5a01cb 100644
--- a/icu4c/source/tools/genuca/genuca.8.in
+++ b/icu4c/source/tools/genuca/genuca.8.in
@@ -20,7 +20,7 @@
 .BR "\-v\fP, \fB\-\-verbose"
 ]
 [
-.BI "\-s\fP, \fB\-\-copyright"
+.BI "\-c\fP, \fB\-\-copyright"
 ]
 [
 .BI "\-s\fP, \fB\-\-sourcedir" " source"
@@ -55,7 +55,7 @@ Print help about usage and exit.
 .BR \-v\fP, \fB\-\-verbose
 Display extra informative messages during execution.
 .TP
-.BI "\-s\fP, \fB\-\-copyright"
+.BI "\-c\fP, \fB\-\-copyright"
 Include a copyright notice into the binary data.
 .TP
 .BI "\-s\fP, \fB\-\-sourcedir" " source"