diff --git a/src/asm/rgbasm.1 b/src/asm/rgbasm.1
index a845d1e3..f0e2bdd1 100644
--- a/src/asm/rgbasm.1
+++ b/src/asm/rgbasm.1
@@ -6,7 +6,7 @@
 .Nd Game Boy assembler
 .Sh SYNOPSIS
 .Nm rgbasm
-.Op Fl hv
+.Op Fl Ehv
 .Op Fl b Ar chars
 .Op Fl D Ar name Ns Op = Ns Ar value
 .Op Fl g Ar chars
@@ -29,6 +29,8 @@ Add string symbol to the compiled source code. This is equivalent to
 .Cm EQUS
 .Qq Ar "value"
 in code. If a value is not specified, a value of 1 is given.
+.It Fl E
+Export all labels, including unreferenced and local labels.
 .It Fl g Ar chars
 Change the four characters used for binary constants.
 The defaults are 0123.