refactor: updated sigfox images

content/pybytes/sigfox/custom.md

@@ -35,7 +35,7 @@ Detailed steps which are same for all devices are [**described here**](/pybytes/
 
 After your device was flashed with Pybytes firmware in automatically start adding itself to Sigfox backend.
 
-![](/gitbook/assets/pybytes/sigfox/sigfoxcustomcontractstatus.png)
+<img src="/gitbook/assets/pybytes/sigfox/sigfoxcustomcontractstatus.png" alt="sigfox settings in Pybytes" width="45%">
 
 ## Troubleshooting
 

content/pybytes/sigfox/devkit.md

@@ -12,7 +12,7 @@ But every device you want to add to Pybytes you need register on Sigfox backend.
 
 After you add your Sigfox credentials to Pybytes you can see DevKit contract type is selected as default (on page Settings → Sigfox API).
 
-![](/gitbook/assets/pybytes/sigfox/pybytesdevkit.png)
+<img src="/gitbook/assets/pybytes/sigfox/pybytesdevkit.png" alt="sigfox settings in Pybytes" width="55%">
 
 ## Add your device to Pybytes