diff --git a/config/.gx/lastpubver b/config/.gx/lastpubver
index 2e54b10c4cb7..a2e4a75c2190 100644
--- a/config/.gx/lastpubver
+++ b/config/.gx/lastpubver
@@ -1 +1 @@
-0.2.15: QmNUhkTWN7iynJZTj1RcTsQDSRGGkh87zMo9ELypxhY8Y6
+0.2.16: QmPEpj17FDRpc7K1aArKZp3RsHtzRMKykeK9GVgn4WQGPR
diff --git a/config/package.json b/config/package.json
index 9ae6f7db7cf5..af0991647a85 100644
--- a/config/package.json
+++ b/config/package.json
@@ -55,6 +55,6 @@
   "license": "",
   "name": "go-ipfs-config",
   "releaseCmd": "git commit -a -m \"gx publish $VERSION\"",
-  "version": "0.2.15"
+  "version": "0.2.16"
 }
 
diff --git a/config/pubsub.go b/config/pubsub.go
index da25b0f24d1b..94e03e28b82d 100644
--- a/config/pubsub.go
+++ b/config/pubsub.go
@@ -1,5 +1,18 @@
 package config
 
 type PubsubConfig struct {
+	// Router can be either floodsub (legacy) or gossipsub (new and
+	// backwards compatible).
 	Router string
+
+	// DisableSigning disables message signing. Message signing is *enabled*
+	// by default.
+	DisableSigning bool
+
+	// StrictSignatureVerification enables strict signature verification.
+	// When enabled, unsigned messages will be rejected. Eventually, this
+	// will be made the default and this option will disappear. Once this
+	// happens, networks will either need to completely disable or
+	// completely enable message signing.
+	StrictSignatureVerification bool
 }