diff --git a/contrib/debian/examples/bitcoin.conf b/contrib/debian/examples/bitcoin.conf
--- a/contrib/debian/examples/bitcoin.conf
+++ b/contrib/debian/examples/bitcoin.conf
@@ -132,6 +132,13 @@
 # be validated sooner.
 #paytxfee=0.00
 
+# Enable pruning to reduce storage requirements by deleting old blocks. 
+# This mode is incompatible with -txindex and -rescan.
+# 0 = default (no pruning).
+# 1 = allows manual pruning via RPC.
+# >=550 = target to stay under in MiB. 
+#prune=550
+
 # User interface options
 
 # Start Bitcoin minimized