diff --git a/doc/asn1c-usage.lyx b/doc/asn1c-usage.lyx
index f000c89..51445f3 100644
--- a/doc/asn1c-usage.lyx
+++ b/doc/asn1c-usage.lyx
@@ -2296,7 +2296,7 @@
 \begin_inset Quotes sld
 \end_inset 
 
-w
+wb
 \begin_inset Quotes srd
 \end_inset