diff --git a/doc/asn1c-usage.lyx b/doc/asn1c-usage.lyx
index 03bf7ca..a6c82ae 100644
--- a/doc/asn1c-usage.lyx
+++ b/doc/asn1c-usage.lyx
@@ -2951,7 +2951,7 @@
 
 
 \size small 
-int main(int ac, char *av) {
+int main(int ac, char **av) {
 \layout LyX-Code
 
 
@@ -3120,7 +3120,7 @@
 
 
 \size small 
-            rectangle, write_out, stream);
+            rectangle, write_out, fp);
 \layout LyX-Code