diff --git a/data/zenity.1 b/data/zenity.1
index 63e5a15..91201fb 100644
--- a/data/zenity.1
+++ b/data/zenity.1
@@ -175,7 +175,7 @@ Allow multiple rows to be selected
 .B \-\-editable
 Allow changes to text
 .TP
-.B \-\-print-column=STRING
+.B \-\-print-column=NUMBER
 Specify what column to print to standard output. The default is to return
 the first column. 'ALL' may be used to print all columns.
 .TP