diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
 
+Version 1.1.1
+-----
+
+* Fixed the documentation.
+
 Version 1.1
 -----
 
diff --git a/Simulation/Aivika/Distributed/Optimistic/Internal/DIO.hs b/Simulation/Aivika/Distributed/Optimistic/Internal/DIO.hs
--- a/Simulation/Aivika/Distributed/Optimistic/Internal/DIO.hs
+++ b/Simulation/Aivika/Distributed/Optimistic/Internal/DIO.hs
@@ -71,9 +71,9 @@
   DIOParams { dioLoggingPriority :: Priority,
               -- ^ The logging priority
               dioName :: String,
-              -- ^ The time horizon in modeling time units.
-              dioTimeHorizon :: Maybe Double,
               -- ^ The name of the logical process.
+              dioTimeHorizon :: Maybe Double,
+              -- ^ The time horizon in modeling time units.
               dioUndoableLogSizeThreshold :: Int,
               -- ^ The undoable log size threshold used for detecting an overflow
               dioOutputMessageQueueSizeThreshold :: Int,
diff --git a/aivika-distributed.cabal b/aivika-distributed.cabal
--- a/aivika-distributed.cabal
+++ b/aivika-distributed.cabal
@@ -1,5 +1,5 @@
 name:            aivika-distributed
-version:         1.1
+version:         1.1.1
 synopsis:        Parallel distributed discrete event simulation module for the Aivika library
 description:
     This package extends the aivika-transformers [1] package and allows running parallel distributed simulations.