diff --git a/ChangeLog b/ChangeLog
index 8e9f9b3..92eaefa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-*0.1.0
+*0.1.0 (2 Jun 2011)
 
     added special chars "-1" and "10" to be able to display values -199...1099
     both trims-long now only resets, before there was 1 press of first button
diff --git a/Releases/ChangeLog b/Releases/ChangeLog.txt
similarity index 96%
rename from Releases/ChangeLog
rename to Releases/ChangeLog.txt
index 8e9f9b3..92eaefa 100644
--- a/Releases/ChangeLog
+++ b/Releases/ChangeLog.txt
@@ -1,5 +1,5 @@
 
-*0.1.0
+*0.1.0 (2 Jun 2011)
 
     added special chars "-1" and "10" to be able to display values -199...1099
     both trims-long now only resets, before there was 1 press of first button
diff --git a/Releases/VersionNumbers.txt b/Releases/VersionNumbers.txt
new file mode 100644
index 0000000..710bd50
--- /dev/null
+++ b/Releases/VersionNumbers.txt
@@ -0,0 +1,15 @@
+
+Versions are numbering as:  X.Y.Z
+
+X - major version number
+  - will be changed when decided to do
+  - it will be stated if it will have model configs compatible with
+    some previous version or if all model configs will be deleted
+
+Y - config version number
+  - will be increased, when change in model configs will be introduced and
+    all models configs will be erased after this change
+
+Z - will be increased when changes which will not modify
+    model configs will be applied
+
diff --git a/VersionNumbers b/VersionNumbers
new file mode 100644
index 0000000..710bd50
--- /dev/null
+++ b/VersionNumbers
@@ -0,0 +1,15 @@
+
+Versions are numbering as:  X.Y.Z
+
+X - major version number
+  - will be changed when decided to do
+  - it will be stated if it will have model configs compatible with
+    some previous version or if all model configs will be deleted
+
+Y - config version number
+  - will be increased, when change in model configs will be introduced and
+    all models configs will be erased after this change
+
+Z - will be increased when changes which will not modify
+    model configs will be applied
+
diff --git a/build b/build
index 2b19457..e99c3b5 100755
--- a/build
+++ b/build
@@ -23,7 +23,7 @@ git add $R/MANUAL-$V.txt
 
 
 # ChangeLog - only copy to have it in the Release directory
-cp -p ChangeLog $R/
+cp -p ChangeLog $R/ChangeLog.txt
 
 
 # firmwares for more max channels