diff --git a/platformio_override_sample.ini b/platformio_override_sample.ini
index fee38d9e3..69f2a7bed 100644
--- a/platformio_override_sample.ini
+++ b/platformio_override_sample.ini
@@ -62,12 +62,10 @@ build_flags                 = ${core.build_flags}
 ; Build variant 4MB = 1MB firmware, 1MB OTA, 2MB filesystem (WEMOS D1 Mini, NodeMCU, Sonoff POW)
 ;board                       = esp8266_4M2M
 
-; *** Upload Serial reset method for Wemos and NodeMCU
+; *** Serial port used for erasing/flashing the ESP82xx
 upload_port                 = COM5
-
 extra_scripts               = ${scripts_defaults.extra_scripts}
 ;                              pio-tools/obj-dump.py
-
 lib_extra_dirs              = ${library.lib_extra_dirs}
 
 
@@ -75,7 +73,17 @@ lib_extra_dirs              = ${library.lib_extra_dirs}
 platform_packages           = ${core32.platform_packages}
 build_unflags               = ${core32.build_unflags}
 build_flags                 = ${core32.build_flags}
+
+; Build variant ESP32 4M Flash, Tasmota 1856k Code/OTA, 320k LITTLEFS (default)
+;board                       = esp32_4M
+; Build variant ESP32 8M Flash, Tasmota 2944k Code/OTA, 2112k LITTLEFS
+;board                       = esp32_8M
+; Build variant ESP32 16M Flash, Tasmota 2944k Code/OTA, 10M LITTLEFS
+;board                       = esp32_16M
+
+; *** Serial port used for erasing/flashing the ESP32
 upload_port                 = COM4
+
 lib_extra_dirs              = ${library.lib_extra_dirs}
 ; *** ESP32 lib. ALWAYS needed for ESP32 !!!
                               lib/libesp32