diff --git a/doc/asn1c-usage.lyx b/doc/asn1c-usage.lyx
index 8cd9e30a..ad3d1217 100644
--- a/doc/asn1c-usage.lyx
+++ b/doc/asn1c-usage.lyx
@@ -37,7 +37,7 @@
 
 \layout Title
 
-Using the Free ASN.1 Compiler
+Using the Open ASN.1 Compiler
 \layout Author
 
 Lev Walkin <
@@ -2590,7 +2590,7 @@ free_struct
 \layout Bibliography
 \bibitem [ASN1C]{ASN1C}
 
-Free ASN.1 Compiler.
+The OpenSource ASN.1 Compiler.
  
 \begin_inset LatexCommand \htmlurl{http://lionet.info/asn1/}
 
diff --git a/doc/asn1c-usage.pdf b/doc/asn1c-usage.pdf
index 0a3313f4..105671c0 100644
Binary files a/doc/asn1c-usage.pdf and b/doc/asn1c-usage.pdf differ