update doc and changelog
diff --git a/ChangeLog b/ChangeLog
index 15d1022..2bdf002 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,7 +8,10 @@
     * Added SAE J2735 example.
 
     NOTABLE:
-    * converter-sample.c renamed into converter-example.c.
+    * Converter example (included by default):
+      * converter-sample.c renamed into converter-example.c
+      * make converter-example.mk file for building that converter
+      * asn1c -no-gen-example to stop generating converter-example.{c,mk}
     * asn1c -no-gen-example option to disable converter-example generation.
     * Added random value generation (-R option to converter-example).
     * Added LibFuzzer-based randomized tests for supported transfer syntaxes
diff --git a/doc/asn1c-usage.pdf b/doc/asn1c-usage.pdf
index 1c585ca..144eaca 100644
--- a/doc/asn1c-usage.pdf
+++ b/doc/asn1c-usage.pdf
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