UM SHT: Fixed typo in readme

usermods/sht/readme.md

@@ -19,7 +19,7 @@ lib_deps = ${esp32.lib_deps}
 
 ESP8266:
 ```
-[env:custom_d1_mini_usermod_quinled_an_penta]
+[env:custom_d1_mini_usermod_sht]
 extends = env:d1_mini
 build_flags = ${common.build_flags_esp8266}
   -D USERMOD_SHT
@@ -53,4 +53,4 @@ Navigate to the "Config" and then to the "Usermods" section. If you compiled WLE
 * First implementation.
 
 ## Credits
-ezcGman | Andy: Find me on the Intermit.Tech (QuinLED) Discord server: https://discord.gg/WdbAauG
+ezcGman | Andy: Find me on the Intermit.Tech (QuinLED) Discord server: https://discord.gg/WdbAauG