diff --git a/lib/index.js b/lib/index.js
index 42b9668..4fde4ae 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -30,7 +30,7 @@ const Obz = require('obz')
  * @param {{ db: PPPPPDB | null }} peer
  * @returns {asserts peer is { db: PPPPPDB }}
  */
-function assertDBExists(peer) {
+function assertDBPlugin(peer) {
   if (!peer.db) throw new Error('goals plugin requires ppppp-db plugin')
 }
 
@@ -38,7 +38,7 @@ function assertDBExists(peer) {
  * @param {{ record: PPPPPRecord | null }} peer
  * @returns {asserts peer is { record: PPPPPRecord }}
  */
-function assertRecordExists(peer) {
+function assertRecordPlugin(peer) {
   if (!peer.record) throw new Error('goals plugin requires ppppp-record plugin')
 }
 
@@ -115,7 +115,7 @@ class GoalImpl {
  * @param {unknown} config
  */
 function initGoals(peer, config) {
-  assertDBExists(peer)
+  assertDBPlugin(peer)
   // Constants:
   const EMPTY_RANGE = /** @type {Range} */ ([1, 0])
 
@@ -138,7 +138,7 @@ function initGoals(peer, config) {
       case 'set':
         return [0, maxDepth]
       case 'record':
-        assertRecordExists(peer)
+        assertRecordPlugin(peer)
         const minDepth = peer.record.getMinRequiredDepth(goal.id)
         return [minDepth, maxDepth]
       case 'newest':
@@ -174,7 +174,7 @@ function initGoals(peer, config) {
    * @returns {Purpose}
    */
   function getRecordPurpose(rec) {
-    assertDBExists(peer)
+    assertDBPlugin(peer)
     let servesAsTrail = false
 
     // Check whether this record is a goalful root of some tangle: