diff --git a/src/warden-server/doc/README b/src/warden-server/doc/README
index 1c24d6507c0450ed47e903665c874588ef790597..81f7d12275068194a96019ade3e0a65ec4933f85 100644
--- a/src/warden-server/doc/README
+++ b/src/warden-server/doc/README
@@ -109,7 +109,7 @@ C. Installation
 
     For more information about install.sh options run install.sh -h
 
-    Usage: $ ./install.sh -d <directory> -k <ssl_key_file> -c <ssl_cert_file> -a <ssl_ca_file> [-s <directory>] [-hV]"
+    Usage: $ ./install.sh -d <directory> -k <ssl_key_file> -c <ssl_cert_file> -a <ssl_ca_file> -e <email_address> [-s <directory>] [-hV]"
         -d <directory>            installation directory
         -k <ssl_key_file>         SSL certificate key file path
         -c <ssl_cert_file>        SSL certificate file path
diff --git a/src/warden-server/sh/install.sh b/src/warden-server/sh/install.sh
index 945c6713de722d3bb028f93766e5d6fd9659659d..09bd0edac8f85d2e8062f06d8727f394a2dac0d1 100755
--- a/src/warden-server/sh/install.sh
+++ b/src/warden-server/sh/install.sh
@@ -14,7 +14,7 @@ VERSION="2.2"
 #-------------------------------------------------------------------------------
 usage()
 {
-	echo "Usage: ${0##*/} -d <directory> -k <ssl_key_file> -c <ssl_cert_file> -a <ssl_ca_file> [-s <directory>] [-hV]"
+	echo "Usage: ${0##*/} -d <directory> -k <ssl_key_file> -c <ssl_cert_file> -a <ssl_ca_file> -e <email_address> [-s <directory>] [-hV]"
 	echo "-d <directory>            installation directory of Warden server"
 	echo "-k <ssl_key_file>         path to SSL certificate key file"
 	echo "-c <ssl_cert_file>        path to SSL certificate file"