diff --git a/src/AutoConnectAux.cpp b/src/AutoConnectAux.cpp
index 0fecd01..1e8b147 100644
--- a/src/AutoConnectAux.cpp
+++ b/src/AutoConnectAux.cpp
@@ -333,7 +333,7 @@ void AutoConnectAux::upload(const String& requestUri, const HTTPUpload& upload)
  * AutoConnectAux is collected in the chain list and each object is 
  * chained by the "_next". AutoConnect follows the "_next" to manage 
  * auxiliary pages. The _concat function concatenates subsequent 
- * AutoConnectAuxs.
+ * AutoConnectAuxes.
  * @param  aux   A reference of AutoConnectAux.
  */
 void AutoConnectAux::_concat(AutoConnectAux& aux) {
@@ -648,7 +648,7 @@ bool AutoConnect::load(Stream& aux) {
 
 /**
  * Load AutoConnectAux page from JSON object.
- * @param  aux  A JsonVariant object that stores each element of AutoConnectAuxl.
+ * @param  aux  A JsonVariant object that stores each element of AutoConnectAux.
  * @return true Successfully loaded.
  */
 bool AutoConnect::_load(JsonVariant& auxJson) {
diff --git a/src/AutoConnectCredential.cpp b/src/AutoConnectCredential.cpp
index 721d7ca..deb7260 100644
--- a/src/AutoConnectCredential.cpp
+++ b/src/AutoConnectCredential.cpp
@@ -26,7 +26,7 @@
  *  ssid: SSID string with null termination.
  *  password : Password string with null termination.
  *  bssid : BSSID 6 bytes.
- *  d  : DHCP is in available. 0:DCHP 1:Static IP
+ *  d  : DHCP is in available. 0:DHCP 1:Static IP
  *  ip - dns2 : Optional fields for static IPs configuration, these fields are available when d=1.
  *  ip : Static IP (uint32_t)
  *  gw : Gateway address (uint32_t)
@@ -353,7 +353,7 @@ void AutoConnectCredential::_retrieveEntry(station_config_t* config) {
  *  ssid: SSID string with null termination.
  *  password : Password string with null termination.
  *  bssid : BSSID 6 bytes.
- *  d  : DHCP is in available. 0:DCHP 1:Static IP
+ *  d  : DHCP is in available. 0:DHCP 1:Static IP
  *  ip - dns2 : Optional fields for static IPs configuration, these fields are available when d=1.
  *  ip : Static IP (uint32_t)
  *  gw : Gateway address (uint32_t)
@@ -576,7 +576,7 @@ size_t AutoConnectCredential::_commit(void) {
 }
 
 /**
- *  Actualy delete the credential entry for the specified SSID from Preferences.
+ *  Delete the credential entry Actually for the specified SSID from Preferences.
  *  @param  ssid    A SSID character string to be deleted.
  *  @param  commit  If false, delete only a credential entry without updating Preferences.
  *  @retval true    The entry successfully delete.
diff --git a/src/AutoConnectDefs.h b/src/AutoConnectDefs.h
index 6f28a46..b2be33d 100644
--- a/src/AutoConnectDefs.h
+++ b/src/AutoConnectDefs.h
@@ -160,14 +160,14 @@
 // Flicker pulse width during AP operation (8bit resolution)
 #ifndef AUTOCONNECT_FLICKER_WIDTHAP
 #define AUTOCONNECT_FLICKER_WIDTHAP   96
-#endif // !AUTOCONNECT_FLICKER_WIDTHAPSTA
+#endif // !AUTOCONNECT_FLICKER_WIDTHAP
 // Flicker pulse width while WiFi is not connected (8bit resolution)
 #ifndef AUTOCONNECT_FLICKER_WIDTHDC 
 #define AUTOCONNECT_FLICKER_WIDTHDC   16
 #endif // !AUTOCONNECT_FLICKER_WIDTHDISCON
 // Ticker port
 #ifndef AUTOCONNECT_TICKER_PORT
-#if defined(BUILDIN_LED) || defined(LED_BUILTIN)
+#if defined(BUILTIN_LED) || defined(LED_BUILTIN)
 #define AUTOCONNECT_TICKER_PORT       LED_BUILTIN
 #else  // Native pin for the arduino
 #define AUTOCONNECT_TICKER_PORT       2
diff --git a/src/AutoConnectUpdate.cpp b/src/AutoConnectUpdate.cpp
index d5b7409..64383a5 100644
--- a/src/AutoConnectUpdate.cpp
+++ b/src/AutoConnectUpdate.cpp
@@ -41,7 +41,7 @@
  *     description:
  *     [
  *       {
- *         "name": "somefoler",
+ *         "name": "somefolder",
  *         "type": "directory"
  *       },
  *       {
@@ -488,7 +488,7 @@ String AutoConnectUpdateAct::_onResult(AutoConnectAux& result, PageArgument& arg
 
   switch (_status) {
   case UPDATE_SUCCESS:
-    resForm = String(F(" sucessfully updated. restart..."));
+    resForm = String(F(" successfully updated. restart..."));
     resColor = String(F("blue"));
     restart = true;
     break;
@@ -512,7 +512,7 @@ String AutoConnectUpdateAct::_onResult(AutoConnectAux& result, PageArgument& arg
 
 /**
  * A handler for notifying the client of the progress of update processing.
- * This handler specifies the URI behavior defined as THndlerFunc of
+ * This handler specifies the URI behavior defined as THandlerFunc of
  * ESP8266 WebServer (WebServer for ESP32).
  * Usually, that URI is /_ac/update_progress and will return the
  * processed amount of update processing to the client.
diff --git a/src/AutoConnectUpdate.h b/src/AutoConnectUpdate.h
index c9300af..f68fdd5 100644
--- a/src/AutoConnectUpdate.h
+++ b/src/AutoConnectUpdate.h
@@ -116,7 +116,7 @@ class AutoConnectUpdateAct : public AutoConnectUpdateVoid, public HTTPUpdateClas
   ~AutoConnectUpdateAct();
   void  attach(AutoConnect& portal) override;  /**< Attach the update class to AutoConnect */
   void  enable(void) override;       /**< Enable the AutoConnectUpdateAct */
-  void  disable(const bool activte = false) override;      /**< Disable the AutoConnectUpdateAct */
+  void  disable(const bool activate = false) override;      /**< Disable the AutoConnectUpdateAct */
   void  handleUpdate(void) override; /**< Behaves the update process */
   bool  isEnabled(void) override { return _auxCatalog ? _auxCatalog->isMenu() : false; } /**< Returns current updater effectiveness */
   AC_UPDATESTATUS_t  status(void) override { return _status; }   /**< reports the current update behavior status */