Add --ghost=TEXT to display a ghost text when the input is empty

man/man1/fzf.1

@@ -709,6 +709,10 @@ ANSI color codes are supported.
 Do not display horizontal separator on the info line. A synonym for
 \fB\-\-separator=''\fB
 
+.TP
+.BI "\-\-ghost=" "TEXT"
+Ghost text to display when the input is empty
+
 .TP
 .B "\-\-filepath\-word"
 Make word-wise movements and actions respect path separators. The following