diff --git a/app/src/main/java/com/github/libretube/activities/MainActivity.kt b/app/src/main/java/com/github/libretube/activities/MainActivity.kt
index 9072dbf3d..ccabdb1dc 100644
--- a/app/src/main/java/com/github/libretube/activities/MainActivity.kt
+++ b/app/src/main/java/com/github/libretube/activities/MainActivity.kt
@@ -61,6 +61,7 @@ class MainActivity : AppCompatActivity() {
 
         RetrofitInstance.url =
             PreferenceHelper.getString(this, "selectInstance", "https://pipedapi.kavin.rocks/")!!
+        // set auth instance
         RetrofitInstance.authUrl =
             if (PreferenceHelper.getBoolean(this, "auth_instance_toggle", false)) {
                 PreferenceHelper.getString(
diff --git a/app/src/main/java/com/github/libretube/dialogs/LoginDialog.kt b/app/src/main/java/com/github/libretube/dialogs/LoginDialog.kt
index e689890f6..ed86ccef6 100644
--- a/app/src/main/java/com/github/libretube/dialogs/LoginDialog.kt
+++ b/app/src/main/java/com/github/libretube/dialogs/LoginDialog.kt
@@ -69,7 +69,6 @@ class LoginDialog : DialogFragment() {
     private fun login(login: Login) {
         fun run() {
             lifecycleScope.launchWhenCreated {
-                Log.e(TAG, RetrofitInstance.authUrl)
                 val response = try {
                     RetrofitInstance.authApi.login(login)
                 } catch (e: IOException) {
diff --git a/app/src/main/java/com/github/libretube/preferences/InstanceSettings.kt b/app/src/main/java/com/github/libretube/preferences/InstanceSettings.kt
index 5a7c8da70..bad5cad27 100644
--- a/app/src/main/java/com/github/libretube/preferences/InstanceSettings.kt
+++ b/app/src/main/java/com/github/libretube/preferences/InstanceSettings.kt
@@ -34,7 +34,6 @@ import java.io.IOException
 import java.io.InputStream
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
-import kotlin.math.log
 
 class InstanceSettings : PreferenceFragmentCompat() {
     val TAG = "InstanceSettings"
@@ -62,8 +61,8 @@ class InstanceSettings : PreferenceFragmentCompat() {
                             val jsonObject = JSONTokener(json).nextValue() as JSONObject
                             Log.e(TAG, jsonObject.getJSONArray("subscriptions").toString())
                             for (
-                                i in 0 until jsonObject.getJSONArray("subscriptions")
-                                    .length()
+                            i in 0 until jsonObject.getJSONArray("subscriptions")
+                                .length()
                             ) {
                                 var url =
                                     jsonObject.getJSONArray("subscriptions").getJSONObject(i)
@@ -138,6 +137,7 @@ class InstanceSettings : PreferenceFragmentCompat() {
         }
         authInstance.setOnPreferenceChangeListener { _, newValue ->
             requireMainActivityRestart = true
+            // save new auth url
             RetrofitInstance.authUrl = newValue.toString()
             RetrofitInstance.lazyMgr.reset()
             logout()
@@ -149,6 +149,7 @@ class InstanceSettings : PreferenceFragmentCompat() {
             requireMainActivityRestart = true
             authInstance.isVisible = newValue == true
             logout()
+            // either use new auth url or the normal api url if auth instance disabled
             RetrofitInstance.authUrl = if (newValue == false) RetrofitInstance.url
             else authInstance.value
             true