diff --git a/go.mod b/go.mod
index f491f40029..ecb1e71d56 100644
--- a/go.mod
+++ b/go.mod
@@ -71,7 +71,6 @@ require (
 	github.com/dvsekhvalnov/jose2go v0.0.0-20200901110807-248326c1351b // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
-	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
 	github.com/go-logfmt/logfmt v0.5.1 // indirect
@@ -89,7 +88,6 @@ require (
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.10.3 // indirect
 	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
 	github.com/gtank/merlin v0.1.1 // indirect
 	github.com/gtank/ristretto255 v0.1.2 // indirect
diff --git a/go.sum b/go.sum
index c589cb3001..bfa8049f85 100644
--- a/go.sum
+++ b/go.sum
@@ -446,7 +446,6 @@ github.com/fzipp/gocyclo v0.5.1/go.mod h1:rXPyn8fnlpa0R2csP/31uerbiVBugk5whMdlya
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
 github.com/getkin/kin-openapi v0.53.0/go.mod h1:7Yn5whZr5kJi6t+kShccXS8ae1APpYTW6yheSwk8Yi4=
 github.com/getkin/kin-openapi v0.61.0/go.mod h1:7Yn5whZr5kJi6t+kShccXS8ae1APpYTW6yheSwk8Yi4=
-github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
@@ -702,8 +701,6 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
 github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0 h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.10.3 h1:BGNSrTRW4rwfhJiFwvwF4XQ0Y72Jj9YEgxVrtovbD5o=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.10.3/go.mod h1:VHn7KgNsRriXa4mcgtkpR00OXyQY6g67JWMvn+R27A4=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c h1:6rhixN/i8ZofjG1Y75iExal34USq5p+wiN1tpie8IrU=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c/go.mod h1:NMPJylDgVpX0MLRlPy15sqSwOFv/U1GZ2m21JhFfek0=
 github.com/gtank/merlin v0.1.1-0.20191105220539-8318aed1a79f/go.mod h1:T86dnYJhcGOh5BjZFCJWTDeTK7XW8uE+E21Cy/bIQ+s=
diff --git a/x/pylons/types/messages_cookbook.go b/x/pylons/types/messages_cookbook.go
index 53d112a89a..ab13c9f88f 100644
--- a/x/pylons/types/messages_cookbook.go
+++ b/x/pylons/types/messages_cookbook.go
@@ -48,7 +48,7 @@ func (msg *MsgCreateCookbook) ValidateBasic() error {
 	}
 
 	if !ValidatedDenom(msg.Id) {
-		return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "invalid cookbook denom can only contain a-z A-Z 0-9 '-' and '_'")
+		return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "invalid ID: Only letters, numbers and underscore (should not be the first character) are allowed")
 	}
 
 	// check length of the name and description fields
diff --git a/x/pylons/types/validate_common_fields.go b/x/pylons/types/validate_common_fields.go
index 162ff565e5..0b2d46eecf 100644
--- a/x/pylons/types/validate_common_fields.go
+++ b/x/pylons/types/validate_common_fields.go
@@ -19,7 +19,7 @@ func ValidateFieldLength(field string, minLength, maxLength int) error {
 
 // Special Characters Exclusion exception '-' & '_'
 func ValidatedDenom(denom string) bool {
-	nameRegex := regexp.MustCompile(`^[a-zA-Z0-9_-]*$`)
+	nameRegex := regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_-]*$`)
 	return nameRegex.MatchString(denom)
 }