diff --git a/README.md b/README.md
index 32f8274..677492b 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
 The
 **bgpq4**
 utility used to generate configurations (prefix-lists, extended
-access-lists, policy-statement terms and as-path lists) based on RADB data.
+access-lists, policy-statement terms and as-path lists) based on IRR data.
 
 The options are as follows:
 
@@ -145,7 +145,7 @@ The options are as follows:
 
 **-S** *sources*
 
-> use specified sources only (recommended: RADB,RIPE,APNIC).
+> use specified sources only (recommended: AFRINIC,ARIN,APNIC,LACNIC,RIPE).
 
 **-t**
 
diff --git a/bgpq4.8 b/bgpq4.8
index 916b9d3..0078016 100644
--- a/bgpq4.8
+++ b/bgpq4.8
@@ -52,7 +52,7 @@
 The
 .Nm
 utility used to generate configurations (prefix-lists, extended
-access-lists, policy-statement terms and as-path lists) based on RADB data.
+access-lists, policy-statement terms and as-path lists) based on IRR data.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
@@ -115,7 +115,7 @@ allow more specific routes up to specified masklen too.
 .It Fl s
 generate sequence numbers in IOS-style prefix-lists.
 .It Fl S Ar sources
-use specified sources only (recommended: RADB,RIPE,APNIC).
+use specified sources only (recommended: AFRINIC,APNIC,ARIN,LACNIC,RIPE).
 .It Fl t
 generate as-sets for OpenBGPd, BIRD and JSON formats.
 .It Fl T