diff --git a/auth/client.go b/auth/client.go
index 7f40efe4..c7a6f1a5 100644
--- a/auth/client.go
+++ b/auth/client.go
@@ -10,8 +10,7 @@ import (
 	"github.com/aler9/gortsplib/headers"
 )
 
-// Client is an object that helps a client to send its credentials to a
-// server.
+// Client is an object that allows a client to authenticate against a server.
 type Client struct {
 	user   string
 	pass   string
@@ -20,7 +19,7 @@ type Client struct {
 	nonce  string
 }
 
-// NewClient allocates an Client.
+// NewClient allocates a Client.
 // header is the WWW-Authenticate header provided by the server.
 func NewClient(v base.HeaderValue, user string, pass string) (*Client, error) {
 	// prefer digest
diff --git a/auth/server.go b/auth/server.go
index bd6f22ac..779b6440 100644
--- a/auth/server.go
+++ b/auth/server.go
@@ -12,8 +12,7 @@ import (
 	"github.com/aler9/gortsplib/headers"
 )
 
-// Server is an object that helps a server to validate the credentials of
-// a client.
+// Server is an object that helps a server to authenticate a client.
 type Server struct {
 	user    string
 	pass    string
@@ -22,7 +21,7 @@ type Server struct {
 	nonce   string
 }
 
-// NewServer allocates an Server.
+// NewServer allocates a Server.
 // If methods is nil, the Basic and Digest methods are used.
 func NewServer(user string, pass string, methods []headers.AuthMethod) *Server {
 	if methods == nil {
@@ -42,7 +41,8 @@ func NewServer(user string, pass string, methods []headers.AuthMethod) *Server {
 	}
 }
 
-// GenerateHeader generates the WWW-Authenticate header needed by a client to log in.
+// GenerateHeader generates the WWW-Authenticate header needed by a client to
+// authenticate.
 func (as *Server) GenerateHeader() base.HeaderValue {
 	var ret base.HeaderValue
 	for _, m := range as.methods {