diff --git a/README.md b/README.md
index deb0702..5d3c1e0 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,8 @@ To define the test case for ffuf, use the keyword `FUZZ` anywhere in the URL (`-
   -V	Show version information.
   -X string
     	HTTP method to use (default "GET")
+  -ac
+    	Automatically calibrate filtering options
   -c	Colorize output.
   -d string
     	POST data.
@@ -111,9 +113,11 @@ To define the test case for ffuf, use the keyword `FUZZ` anywhere in the URL (`-
   -se
     	Stop on spurious errors
   -sf
-    	Stop when > 90% of responses return 403 Forbidden
+    	Stop when > 95% of responses return 403 Forbidden
   -t int
     	Number of concurrent threads. (default 40)
+  -timeout int
+    	HTTP request timeout in seconds. (default 10)
   -u string
     	Target URL
   -w string
diff --git a/main.go b/main.go
index 1fa6bc0..8663ba2 100644
--- a/main.go
+++ b/main.go
@@ -50,7 +50,7 @@ func main() {
 	defer cancel()
 	conf := ffuf.NewConfig(ctx)
 	opts := cliOptions{}
-	flag.StringVar(&opts.extensions, "e", "", "List of extensions to apply. Each extension provided will extend the wordlist entry once.")
+	flag.StringVar(&opts.extensions, "e", "", "Comma separated list of extensions to apply. Each extension provided will extend the wordlist entry once.")
 	flag.BoolVar(&conf.DirSearchCompat, "D", false, "DirSearch style wordlist compatibility mode. Used in conjunction with -e flag. Replaces %EXT% in wordlist entry with each of the extensions provided by -e.")
 	flag.Var(&opts.headers, "H", "Header `\"Name: Value\"`, separated by colon. Multiple -H flags are accepted.")
 	flag.StringVar(&conf.Url, "u", "", "Target URL")
@@ -72,7 +72,7 @@ func main() {
 	flag.StringVar(&conf.OutputFile, "o", "", "Write output to file")
 	flag.StringVar(&opts.outputFormat, "of", "json", "Output file format. Available formats: json, csv, ecsv")
 	flag.BoolVar(&conf.Quiet, "s", false, "Do not print additional information (silent mode)")
-	flag.BoolVar(&conf.StopOn403, "sf", false, "Stop when > 90% of responses return 403 Forbidden")
+	flag.BoolVar(&conf.StopOn403, "sf", false, "Stop when > 95% of responses return 403 Forbidden")
 	flag.BoolVar(&conf.StopOnErrors, "se", false, "Stop on spurious errors")
 	flag.BoolVar(&conf.StopOnAll, "sa", false, "Stop on all error cases. Implies -sf and -se")
 	flag.BoolVar(&conf.FollowRedirects, "r", false, "Follow redirects")