diff --git a/doc/asn1c-usage.html b/doc/asn1c-usage.html
index 106ebba..239e77f 100644
--- a/doc/asn1c-usage.html
+++ b/doc/asn1c-usage.html
@@ -430,11 +430,15 @@
 <FONT SIZE="-1">Enable  unnamed  unions  in the definitions of target language's
 structures.</FONT></TD></TR>
 </TBODY><TBODY>
+<TR><TD VALIGN=BASELINE ALIGN=LEFT NOWRAP><FONT SIZE="-1">-fskeletons-copy</FONT></TD><TD VALIGN=BASELINE ALIGN=LEFT WIDTH="216">
+<FONT SIZE="-1">Copy support files rather than symlink them.</FONT></TD></TR>
+</TBODY><TBODY>
 <TR><TD VALIGN=BASELINE ALIGN=LEFT NOWRAP><FONT SIZE="-1">-ftypes88</FONT></TD><TD VALIGN=BASELINE ALIGN=LEFT WIDTH="216">
 <FONT SIZE="-1">Pretend to support only ASN.1:1988 embedded types. Certain
 reserved words, such as UniversalString and BMPString, become ordinary
 type references and may be redefined by the specification.</FONT></TD></TR>
 </TBODY><TBODY>
+
 <TR><TD VALIGN=BASELINE ALIGN=LEFT NOWRAP><B><FONT SIZE="-1">Output Options</FONT></B></TD><TD VALIGN=BASELINE ALIGN=LEFT WIDTH="216">
 <B><FONT SIZE="-1">Description</FONT></B></TD></TR>
 <TR><TD VALIGN=BASELINE ALIGN=LEFT NOWRAP>