diff --git a/README.md b/README.md
index e94844d..eed54c8 100644
--- a/README.md
+++ b/README.md
@@ -29,11 +29,11 @@ Required Arguments:
 Options:
   -h --help         Show this message.
   -v --version      Show version.
-  -p <port ranges>  Ex: -p 22; -p 1-65535, -p 80,443. [default: 1-1024]
+  -p <port ranges>  Ports to scan. Ex: -p 22; -p 1-65535, -p 80,443. [default: 1-1024]
+  -e <port ranges>  Ports to exclude from scan. Ex: -e 22; -p 21,23. [default: 0]
   -g <int>          Amount of goroutines to spread connection attempts across. [default: 1000]
   -c <int>          Minimum confidence level to flag port as open. [default: 1]
   -i <interface>    Network interface to listen on.
   -t <timeout>      Timeout in Milliseconds to wait for a connection. [default: 400]
   -j <file>         Output JSON to file.
-
 ```
diff --git a/cmd/parse.go b/cmd/parse.go
index 0f811b1..a4747ef 100644
--- a/cmd/parse.go
+++ b/cmd/parse.go
@@ -48,7 +48,7 @@ type O struct {
 }
 
 func parse() *O {
-	args, err := docopt.Parse(usage, nil, true, "cookiescan 2.0.0", false)
+	args, err := docopt.Parse(usage, nil, true, "cookiescan 2.1.0", false)
 	if err != nil {
 		log.Fatalf("Error parsing usage. Error: %s\n", err.Error())
 	}
@@ -79,7 +79,7 @@ func parse() *O {
 		log.Fatalf("Error parsing port string. Error %s\n", err.Error())
 	}
 	servicesToExclude, err := explode(args["-e"].(string))
-	if err != nil {
+	if err != nil && args["-e"].(string) != "0" {
 		log.Fatalf("Error parsing exclude port string. Error %s\n", err.Error())
 	}
 	for _, e := range servicesToExclude {