diff --git a/caddy/setup.go b/caddy/setup.go
index d604c0e..582a49d 100644
--- a/caddy/setup.go
+++ b/caddy/setup.go
@@ -40,7 +40,7 @@ func setup(c *caddy.Controller) error {
 		}
 
 		if len(args) == 1 {
-			logging.Logger.Warnf("DEPRECATED: Please set the loing path by parameter login_path and not as directive argument (%v:%v)", c.File(), c.Line())
+			logging.Logger.Warnf("DEPRECATED: Please set the login path by parameter login_path and not as directive argument (%v:%v)", c.File(), c.Line())
 			config.LoginPath = path.Join(args[0], "/login")
 		}
 
@@ -73,7 +73,7 @@ func parseConfig(c *caddy.Controller) (*login.Config, error) {
 	cfg.ConfigureFlagSet(fs)
 
 	for c.NextBlock() {
-		// caddy preferes '_' in parameter names,
+		// caddy prefers '_' in parameter names,
 		// so we map them to the '-' from the command line flags
 		// the replacement supports both, for backwards compatibility
 		name := strings.Replace(c.Val(), "_", "-", -1)
diff --git a/htpasswd/backend.go b/htpasswd/backend.go
index 693c13f..b02878d 100644
--- a/htpasswd/backend.go
+++ b/htpasswd/backend.go
@@ -29,7 +29,7 @@ type Backend struct {
 	auth *Auth
 }
 
-// NewBackend creates a new  Backend and verifies the parameters.
+// NewBackend creates a new Backend and verifies the parameters.
 func NewBackend(filename string) (*Backend, error) {
 	auth, err := NewAuth(filename)
 	return &Backend{
diff --git a/login/config.go b/login/config.go
index 3987899..5895e9a 100644
--- a/login/config.go
+++ b/login/config.go
@@ -95,14 +95,14 @@ func (c *Config) ConfigureFlagSet(f *flag.FlagSet) {
 
 	// the -backends is deprecated, but we support it for backwards compatibility
 	deprecatedBackends := setFunc(func(optsKvList string) error {
-		logging.Logger.Warn("DEPRECATED: '-backend' is no loger supported. Please set the backends by explicit paramters")
+		logging.Logger.Warn("DEPRECATED: '-backend' is no longer supported. Please set the backends by explicit parameters")
 		opts, err := parseOptions(optsKvList)
 		if err != nil {
 			return err
 		}
 		pName, ok := opts["provider"]
 		if !ok {
-			return errors.New("missing provder name provider=..")
+			return errors.New("missing provider name provider=...")
 		}
 		delete(opts, "provider")
 		c.Backends[pName] = opts
diff --git a/login/provider_description.go b/login/provider_description.go
index 8fac54f..6f17df5 100644
--- a/login/provider_description.go
+++ b/login/provider_description.go
@@ -4,6 +4,6 @@ type ProviderDescription struct {
 	// the name of the provider
 	Name string
 
-	// the text for the commandline optio
+	// the text for the commandline option
 	HelpText string
 }
diff --git a/osiam/client.go b/osiam/client.go
index 7724d28..9ba8c13 100644
--- a/osiam/client.go
+++ b/osiam/client.go
@@ -24,7 +24,7 @@ func NewClient(endpoint string, clientId string, clientSecret string) *Client {
 }
 
 // Do an Osiam authorisation by Resource Owner Password Credentials Grant.
-// If no scopes are supplied, the default scope ist 'me'.
+// If no scopes are supplied, the default scope is 'me'.
 func (c *Client) GetTokenByPassword(username, password string, scopes ...string) (authenticated bool, token *Token, err error) {
 	scopeList := strings.Join(scopes, ",")
 	if scopeList == "" {