diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1c7808e..83d7ff6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -23,7 +23,7 @@ Before sending your pull requests, make sure you followed this list.
 
 ## Development Environment
 
-The contribution to this project requires setting up a development
+Contribution to this project requires setting up a development
 environment. The following steps allow developers to test their
 setup using local source code.
 
@@ -34,7 +34,7 @@ mkdir -p ~/tmpdev
 cd ~/tmpdev
 ```
 
-Second, fork the following repositories in Github into to your own Github
+Second, fork the following repositories in GitHub into to your own GitHub
 handle, e.g. `anonymous`:
 
 * `https://github.com/greenpau/caddy-security` => `https://github.com/anonymous/caddy-security`
@@ -57,7 +57,7 @@ make dep
 
 Next, modify `go.mod` in `github.com/greenpau/caddy-security`. Include
 `replace` directives to instruct `go` using local directories, as opposed
-to follow Github versions.
+to follow GitHub versions.
 
 Note: the referenced versions must match.
 
diff --git a/Makefile b/Makefile
index 6db8eb2..5bedcce 100644
--- a/Makefile
+++ b/Makefile
@@ -82,7 +82,6 @@ qtest: covdir
 	@time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileSingleSignOnProvider ./*.go
 	@#time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileCredentials ./*.go
 	@#time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileMessaging ./*.go
-	@#time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileIdentit* ./*.go
 	@#time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileAuthentication ./*.go
 	@#time richgo test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfileAuthorization ./*.go
 	@#go test -v -coverprofile=.coverage/coverage.out -run TestParseCaddyfile ./*.go
diff --git a/README.md b/README.md
index e05770a..e8770af 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Security App and Plugin for [Caddy v2](https://github.com/caddyserver/caddy). It
 
 Please show your **appreciation for this work** and :star: :star: :star:
 
-Please consider **sponsoring this project** via Github Sponsors!
+Please consider **sponsoring this project** via GitHub Sponsors!
 
 Please ask questions either here or via LinkedIn. I am happy to help you! @greenpau
 
diff --git a/caddyfile_authn_ui.go b/caddyfile_authn_ui.go
index 41f999a..d8e478e 100644
--- a/caddyfile_authn_ui.go
+++ b/caddyfile_authn_ui.go
@@ -15,13 +15,14 @@
 package security
 
 import (
+	"os"
+	"strings"
+
 	"github.com/caddyserver/caddy/v2"
 	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
 	"github.com/greenpau/caddy-security/pkg/util"
 	"github.com/greenpau/go-authcrunch/pkg/authn"
 	"github.com/greenpau/go-authcrunch/pkg/authn/ui"
-	"io/ioutil"
-	"strings"
 )
 
 func parseCaddyfileAuthPortalUI(h *caddyfile.Dispenser, repl *caddy.Replacer, portal *authn.PortalConfig, rootDirective string) error {
@@ -131,7 +132,7 @@ func parseCaddyfileAuthPortalUI(h *caddyfile.Dispenser, repl *caddy.Replacer, po
 				portal.UI.CustomJsPath = strings.ReplaceAll(args, "js ", "")
 			case strings.HasPrefix(args, "html header path"):
 				args = strings.ReplaceAll(args, "html header path ", "")
-				b, err := ioutil.ReadFile(args)
+				b, err := os.ReadFile(args)
 				if err != nil {
 					return h.Errf("%s %s subdirective: %s %v", rootDirective, subDirective, args, err)
 				}
diff --git a/caddyfile_authz_test.go b/caddyfile_authz_test.go
index a9b7de2..22c6d54 100644
--- a/caddyfile_authz_test.go
+++ b/caddyfile_authz_test.go
@@ -591,7 +591,7 @@ func TestParseCaddyfileAuthorization(t *testing.T) {
 			err:       fmt.Errorf("security.authorization.policy.with directive has no value, at %s:%d", tf, 4),
 		},
 		{
-			name: "test authorization policy with with unsupported directive",
+			name: "test authorization policy with unsupported directive",
 			d: caddyfile.NewTestDispenser(`
             security {
               authorization policy mypolicy {
diff --git a/plugin_authz.go b/plugin_authz.go
index 2a78742..bab1022 100644
--- a/plugin_authz.go
+++ b/plugin_authz.go
@@ -39,7 +39,7 @@ func init() {
 }
 
 // AuthzMiddleware authorizes access to endpoints based on
-// the presense and content of JWT token.
+// the presence and content of JWT token.
 type AuthzMiddleware struct {
 	RouteMatcher   string `json:"route_matcher,omitempty" xml:"route_matcher,omitempty" yaml:"route_matcher,omitempty"`
 	GatekeeperName string `json:"gatekeeper_name,omitempty" xml:"gatekeeper_name,omitempty" yaml:"gatekeeper_name,omitempty"`
@@ -103,7 +103,7 @@ func (m *AuthzMiddleware) Validate() error {
 	return nil
 }
 
-// Authenticate authorizes access based on the presense and content of
+// Authenticate authorizes access based on the presence and content of
 // authorization token.
 func (m AuthzMiddleware) Authenticate(w http.ResponseWriter, r *http.Request) (caddyauth.User, bool, error) {
 	ar := requests.NewAuthorizationRequest()