diff --git a/README.md b/README.md
index 71130a7..734b36e 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ How to disable datacarrier on Bitcoin Knots.
 What is `datacarrier`?
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-Datacarrier ...
+`datacarrier` is an option that controls whether your node will relay (and mine, if you are a miner) transactions containing arbitrary data that is completely unrelated to Bitcoin payments.
 
 How to disable datacarrier on my platform?
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