fix minor typo (#9111)

Author: DRSDavidSoft

Diff for: libraries/ESP8266WiFi/src/enable_wifi_at_boot_time.cpp

@@ -21,7 +21,7 @@ extern "C" void __disableWiFiAtBootTime()
     // Does (almost) nothing: WiFi is enabled by default in nonos-sdk
 
     // ... but restores legacy WiFi credentials persistence to true at boot time
-    // (can be still overrisden by user before setting up WiFi, like before)
+    // (can be still overridden by user before setting up WiFi, like before)
 
     // (note: c++ ctors not called yet at this point)
     ESP8266WiFiClass::persistent(true);