diff --git a/ChangeLog b/ChangeLog
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@@ -1,4 +1,10 @@
 
+0.9.1:	2004-Aug-23
+
+	* Documentation updated: doc/asn1c-usage.pdf
+	* Fixed OBJECT IDENTIFIER human-readable printing.
+	  Reported by <siden@ul-gsm.ru>.
+
 0.9:	2004-Aug-23
 
 	* Reworked subtype constraints handling, aiming at PER-applicability.