fix doc

Author: d-a-v

doc/esp8266wifi/generic-class.rst

@@ -55,15 +55,15 @@ This change is harmless with standard sketches: Calls to ``WiFi.mode()`` do
 enable radio as usual. It also smooths current spikes at boot and decreases
 DHCP stress.
 
-Legacy behavior can be restored by calling ``enableWiFiAtBoot()`` from
+Legacy behavior can be restored by calling ``enableWiFiAtBootTime()`` from
 anywhere in the code (it is a weak void function intended to play with the
 linker).
 
 .. code:: cpp
 
  void setup () {
  #ifdef WIFI_IS_OFF_AT_BOOT
- enableWiFiAtBoot(); // can be called from anywhere with the same effect
+ enableWiFiAtBootTime(); // can be called from anywhere with the same effect
  #endif
  ....
  }