diff --git a/HISTORY b/HISTORY
--- a/HISTORY
+++ b/HISTORY
@@ -1,9 +1,9 @@
 ======================================================================
                     H I S T O R Y 
                     doc: Tue May 15 18:04:39 2012
-                    dlm: Wed May 16 18:52:31 2012
+                    dlm: Thu May 17 07:19:03 2012
                     (c) 2012 A.M. Thurnherr
-                    uE-Info: 22 35 NIL 0 0 72 3 2 8 NIL ofnI
+                    uE-Info: 25 43 NIL 0 0 72 3 2 8 NIL ofnI
 ======================================================================
 
 May 15, 2012:
@@ -20,3 +20,10 @@
   - V1.0beta3 [.hg/hgrc]
   - bug fixes for shallow casts [LADCPproc.backscatter]
   - added support for -r)DI BT data
+
+May 17, 2012:
+  - V1.0beta4 [.hg/hgrc] [LADCPproc.version]
+  - minor improvements
+  - relaxation of profile-depth consistency check [LADCPproc]
+
+