Update readme

README.md

@@ -4,7 +4,7 @@ Python OPC-UA server to control the I2C devices in the LTS.
 
 + opcuserv.py: OPC-UA server that expose (visible) variables and methods.
 
-LTS structure:
+# LTS structure:
 
 Raspberry pi (LTS_pypcc.yaml -> I2C controller on raspberry pi)
 > Control PCB (LTS_switch.yaml -> I2C switch)
@@ -13,5 +13,5 @@ Raspberry pi (LTS_pypcc.yaml -> I2C controller on raspberry pi)
 >>
 >>> ADC (LTS_RCU2_ADC.yaml -> SPI bitbang2)
 >>
->> Clock PCB (LTS_clk.yaml I2C device)
+>> Clock PCB (LTS_clk.yaml -> I2C device)
 >>> PLL (LTS_clkPLL.yaml -> SPI bitbang1)