diff --git a/doc/backportpackage.1 b/doc/backportpackage.1
index 3a21b36..03ec5ad 100644
--- a/doc/backportpackage.1
+++ b/doc/backportpackage.1
@@ -46,13 +46,15 @@ defaults to \fB~ppa1\fR, otherwise the default is blank.
 .TP
 .B \-b\fR, \fB\-\-build
 Build the package with the specified builder before uploading. Note
-for \fBpbuilder\fR(8) users: This assumes the common configuration,
+for \fBcowbuilder\fR(8) and \fBpbuilder\fR(8) users:
+This assumes the common configuration,
 where the \fBARCH\fR and \fBDIST\fR environment is read by \fBpbuilderrc\fR(5)
 to select the correct base image.
 .TP
 .B \-B \fIBUILDER\fR, \fB\-\-builder\fR=\fIBUILDER
 Use the specified builder to build the package. Supported are
-\fBpbuilder\fR(8), \fBpbuilder-dist\fR(1), and \fBsbuild\fR(1).
+\fBcowbuilder\fR(8), \fBcowbuilder-dist\fR(1), \fBpbuilder\fR(8),
+\fBpbuilder-dist\fR(1), and \fBsbuild\fR(1).
 The default is \fBpbuilder\fR(8).
 .TP
 .B \-U\fR, \fB\-\-update