diff --git a/doc/asn1c-usage.html b/doc/asn1c-usage.html
index 239e77f443b52211a808bb171287b7df1b90a73e..b6b484b0471af20551603cf9e8674f797e540c98 100644
--- a/doc/asn1c-usage.html
+++ b/doc/asn1c-usage.html
@@ -433,11 +433,6 @@ structures.</FONT></TD></TR>
 <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>
diff --git a/doc/asn1c-usage.lyx b/doc/asn1c-usage.lyx
index 205b9dc878a7ed5c151b6a38d602ad0e7d58cf53..9dbae7d8de319fd8401cc53f6b388fbfec6d57f1 100644
--- a/doc/asn1c-usage.lyx
+++ b/doc/asn1c-usage.lyx
@@ -71,7 +71,7 @@ status Open
 \backslash 
 lhead{This document describes 
 \backslash 
-href{http://lionet.info/asn1c}{asn1c-0.9.19}}
+href{http://lionet.info/asn1c}{asn1c-0.9.20}}
 \layout Standard
 
 \backslash 
@@ -451,7 +451,7 @@ The following table summarizes the asn1c command line options.
 
 
 \begin_inset  Tabular
-<lyxtabular version="3" rows="27" columns="2">
+<lyxtabular version="3" rows="26" columns="2">
 <features islongtable="true">
 <column alignment="left" valignment="top" leftline="true" width="0">
 <column alignment="block" valignment="top" leftline="true" rightline="true" width="3in">
@@ -977,7 +977,7 @@ Enable  unnamed  unions  in the definitions of target language's structures.
 \end_inset 
 </cell>
 </row>
-<row topline="true">
+<row topline="true" bottomline="true">
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
 
@@ -999,30 +999,6 @@ Copy support files rather than symlink them.
 \end_inset 
 </cell>
 </row>
-<row topline="true" bottomline="true">
-<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
-\begin_inset Text
-
-\layout Standard
-
-
-\size small 
--ftypes88
-\end_inset 
-</cell>
-<cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
-\begin_inset Text
-
-\layout Standard
-
-
-\size small 
-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.
-\end_inset 
-</cell>
-</row>
 <row topline="true">
 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
 \begin_inset Text
diff --git a/doc/asn1c-usage.pdf b/doc/asn1c-usage.pdf
index 3d188cff2c46444c3390aae219cad14da6dced2a..de80368956e6d691c2abcc1a555ca61853132e6a 100644
Binary files a/doc/asn1c-usage.pdf and b/doc/asn1c-usage.pdf differ