diff --git a/datamover/dist/etc/service.properties b/datamover/dist/etc/service.properties
index b87fe7d79f7fdd0e7c4b1924b6af76eb7124c739..fcecfb6e58ee56d1ec07d51f94b2cd849e65ce1c 100644
--- a/datamover/dist/etc/service.properties
+++ b/datamover/dist/etc/service.properties
@@ -37,4 +37,4 @@ prefix-for-incoming = %t_
 # extra-copy-dir = <path to a directory. If specified, a copy of incoming data will be made there>
 # prefix-for-incoming = prefix that is put in front of every incoming data directory, %t will be replaced with time stamp
 # data-completed-script = script executed to check whether incoming data are complete or not
-# data-completed-script-timeout = time out for data completed script if it doesn't stop 
+# data-completed-script-timeout = timeout in seconds for data completed script if it doesn't stop 
diff --git a/datamover/source/java/ch/systemsx/cisd/datamover/Parameters.java b/datamover/source/java/ch/systemsx/cisd/datamover/Parameters.java
index 790d7fc033b33857e6ec58a46ddd920739c953d6..29008bb007fcd60de18162f305388f41a8383f5d 100644
--- a/datamover/source/java/ch/systemsx/cisd/datamover/Parameters.java
+++ b/datamover/source/java/ch/systemsx/cisd/datamover/Parameters.java
@@ -68,7 +68,7 @@ public final class Parameters implements ITimingParameters, IFileSysParameters
     @Option(longName = PropertyNames.DATA_COMPLETED_SCRIPT, metaVar = "EXEC", usage = "Optional script which checks whether incoming data is complete or not.")
     private String dataCompletedScript;
 
-    @Option(longName = PropertyNames.DATA_COMPLETED_SCRIPT_TIMEOUT, usage = "Timeout (in seconds) data completed script will be stopped "
+    @Option(longName = PropertyNames.DATA_COMPLETED_SCRIPT_TIMEOUT, usage = "Timeout (in seconds) after which data completed script will be stopped "
             + "[default: " + DEFAULT_DATA_COMPLETED_SCRIPT_TIMEOUT + "]", handler = MillisecondConversionOptionHandler.class)
     private long dataCompletedScriptTimeout = DEFAULT_DATA_COMPLETED_SCRIPT_TIMEOUT;