diff --git a/README.md b/README.md
index 847a72d..320e9cd 100644
--- a/README.md
+++ b/README.md
@@ -21,9 +21,9 @@ Flags:
   -c, --content-format int    Content format (default 50)
   -h, --help                  help for coap-cli
   -H, --host string           Host (default "localhost")
-  -k, --keep-alive uint       Keep alive interval (default 60)
+  -k, --keep-alive uint       Send a ping after interval seconds of inactivity. If not specified (or 0), keep-alive is disabled (default).
   -m, --max-retries uint32    Max retries for keep alive (default 10)
-  -O, --options stringArray   Options
+  -O, --options num,text      Add option num with contents of text to the request. If the text begins with 0x, then the hex text (two [0-9a-f] per byte) is converted to binary data.
   -p, --port string           Port (default "5683")
   -v, --verbose               Verbose output
   -d, --data string           Data(default "") - only available for put, post and delete commands
diff --git a/cmd/main.go b/cmd/main.go
index 136a5cd..c184ee4 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -83,8 +83,8 @@ func main() {
 	rootCmd.PersistentFlags().StringVarP(&port, "port", "p", "5683", "Port")
 	rootCmd.PersistentFlags().StringVarP(&auth, "auth", "a", "", "Auth")
 	rootCmd.PersistentFlags().IntVarP(&contentFormat, "content-format", "c", 50, "Content format")
-	rootCmd.PersistentFlags().StringArrayVarP(&options, "options", "O", []string{}, "Options")
-	rootCmd.PersistentFlags().Uint64VarP(&keepAlive, "keep-alive", "k", 60, "Keep alive interval")
+	rootCmd.PersistentFlags().StringArrayVarP(&options, "options", "O", []string{}, "Add option num with contents of text to the request. If the text begins with 0x, then the hex text (two [0-9a-f] per byte) is converted to binary data.")
+	rootCmd.PersistentFlags().Uint64VarP(&keepAlive, "keep-alive", "k", 0, "Send a ping after interval seconds of inactivity. If not specified (or 0), keep-alive is disabled (default).")
 	rootCmd.PersistentFlags().Uint32VarP(&maxRetries, "max-retries", "m", 10, "Max retries for keep alive")
 	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Verbose output")
 
diff --git a/go.mod b/go.mod
index 1b14067..340c1c2 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,13 @@ module github.com/absmach/coap-cli
 go 1.22
 
 require (
+	github.com/fatih/color v1.17.0
 	github.com/plgd-dev/go-coap/v3 v3.3.4
 	github.com/spf13/cobra v1.8.0
 )
 
 require (
 	github.com/dsnet/golib/memfile v1.0.0 // indirect
-	github.com/fatih/color v1.16.0
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 35bcbf2..f9c5817 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dsnet/golib/memfile v1.0.0 h1:J9pUspY2bDCbF9o+YGwcf3uG6MdyITfh/Fk3/CaEiFs=
 github.com/dsnet/golib/memfile v1.0.0/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
-github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
-github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
+github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=