diff --git a/Readme.md b/Readme.md
index 61f6d75..df9b6bf 100644
--- a/Readme.md
+++ b/Readme.md
@@ -27,13 +27,13 @@ The evaluation is of course anonymous.
 ## Presentations
 The presentations from the course can be downloaded in PDF-format using the links below:
 
-[Nordic Introduction](https://github.com/bjornspockeli/custom_ble_service_example/blob/master/pdf/01_Nordic_Company_Introduction.pdf)
+[Nordic Introduction](/pdf/01_Nordic_Company_Introduction.pdf)
 
-[nRF52832 Intro + Embedded C Intro](https://github.com/NordicPlayground/nRF52-Bluetooth-Course/blob/master/pdf/02_nRF52%20Student_%20Intro_v0.1.pdf)
+[nRF52832 Intro + Embedded C Intro](/pdf/02_nRF52%20Student_%20Intro_v0.1.pdf)
 
-[Bluetooth Low Energy Protocol](https://github.com/NordicPlayground/nRF52-Bluetooth-Course/blob/master/pdf/03_Bluetooth%20Overview.pdf)
+[Bluetooth Low Energy Protocol](/pdf/03_Bluetooth%20Overview.pdf)
 
-[SoftDevice Introduction](https://github.com/NordicPlayground/nRF52-Bluetooth-Course/blob/master/pdf/04_Softdevice_Student_Introduction_v0.1.pdf)
+[SoftDevice Introduction](/pdf/04_Softdevice_Student_Introduction_v0.1.pdf) 
 
 
 ## HW Requirements