diff --git a/README.md b/README.md
index 2b5fa62..d57cd69 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ To do so, measure which voltage does the VCC pin of your Arduino board output an
 
 Set **VOLTAGE_DIV_COEFF** to something different if you changed the voltage divider resistor values.
 
-Set **RADIO_CHANNEL** to the NRF's RF channel (between 0 and 124). **Do not forget to set the receiver station up on the same channel**
+Set **RADIO_CHANNEL** to the NRF's RF channel (between 0 and 125). **Do not forget to set the receiver station up on the same channel**
 
 Set **RADIO_NODE_ADDRESS** to change it's 5 byte address if you feel like it. **Do not forget to set the receiver station up on the same address**
 
@@ -86,23 +86,23 @@ Here is a list of the parts used to build the station with a link to where you c
 ***If you have any questions, do not hesitate to contact me at : bugreport[at]laposte[dot]net***
 
 ## Finally here are some pictures of the PCB and device :
-PCB top view :
+### PCB top view :  
 ![](http://82.64.196.164/images/git/weather_station_pcb_top.jpg)
 
-PCB back view :
+### PCB back view :  
 ![](http://82.64.196.164/images/git/weather_station_pcb_back.jpg)
 
-Device's internals :
+### Device's internals :  
 ![](http://82.64.196.164/images/git/weather_station_open.jpg)
 
-Device's internals with the PCB removed :
+### Device's internals with the PCB removed :  
 ![](http://82.64.196.164/images/git/weather_station_box.jpg)
 
-Device form factor :
+### Device form factor :  
 ![](http://82.64.196.164/images/git/weather_station_top.jpg)
 
-Device's LDR and solar panel :
+### Device's LDR and solar panel :  
 ![](http://82.64.196.164/images/git/weather_station_back_solar_panel.jpg)
 
-Device's antenna and SHT/HTU 21 cover :
+### Device's antenna and SHT/HTU 21 cover :  
 ![](http://82.64.196.164/images/git/weather_station_front.jpg)