Updated Configuration (markdown)

Configuration.md

@@ -2,7 +2,7 @@
   - If you are not using **SX1278** module then modify module declaration in `config.h` find and replace `SX1278` with your module name. Read more about supported modules at [RadioLib Wiki](https://github.com/jgromes/RadioLib/wiki).
   - If you are using **SX126X** module then un-comment `USE_SX126X` define and replace `MODULE_NAME` with your module name if using module other than `SX1268`
 
-# Sketch configuration
+# Software configuration
 - go to esp32_loraprs.ino and make next changes based on your requirements in `initializeConfig()`
   - set `cfg.IsClientMode` to `false` if you are planning to run server mode for APRS-IS iGate / Digipeater
   - for server mode fill `cfg.WifiSsid` and `cfg.WifiKey` with your WiFI AP data