Update custom board comment

Author: Electric-Diversions

platformio.ini

@@ -12,7 +12,7 @@
 platform = espressif32@~6.10.0
 ; esp-wrover-kit is 4MB ESP32-WROVER-B compatible.  	
 board = esp-wrover-kit
-; custom_esp-wrover-kit to enable 8MB PSRAM
+; custom_esp-wrover-kit to enable 8MB flash and 60 album art cache
 ;board = custom_esp-wrover-kit
 framework = arduino
 monitor_speed = 115200