diff --git a/Troubleshooting---FAQ.md b/Troubleshooting---FAQ.md
index fffbd92..ada5af1 100644
--- a/Troubleshooting---FAQ.md
+++ b/Troubleshooting---FAQ.md
@@ -4,4 +4,9 @@ This is a list of commonly occuring problems and questions, in no specific order
 
 Please check which version of csdr you installed. One of the most common problems is the missing `deemphasis_nfm_ff` filter for 12kHz audio, which comes into play if your client runs 48kHz audio (or other multiples of 12kHz, other reported cases were using 192kHz).
 
-Please install [my modified version of csdr](https://github.com/jketterl/csdr) to get rid of the error.
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+Please install [my modified version of csdr](https://github.com/jketterl/csdr) to get rid of the error.
+
+### My OpenWebRX installation is missing some / all of the digital demodulation buttons
+### I set up my sdr source in the config, but it's not in the list / OpenWebRX doesn't list it as an "Available SDR"
+
+There's probably some dependency missing. Please append `/feautures` to your receiver URL to get the feature report. Check if all the requirements for the sdr / demodulator in question are fulfilled.
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