diff --git a/rpcserver.go b/rpcserver.go
index 89e1b0457..11f9effc4 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -4951,7 +4951,7 @@ func (r *rpcServer) AssetLeafKeys(ctx context.Context,
 	}
 
 	if req.Limit > universe.MaxPageSize || req.Limit < 0 {
-		return nil, fmt.Errorf("invalid request limit")
+		return nil, fmt.Errorf("invalid request limit: %d", req.Limit)
 	}
 
 	// Check the rate limiter to see if we need to wait at all. If not then
diff --git a/tapdb/multiverse_cache.go b/tapdb/multiverse_cache.go
index 2b2132fa6..60bdd9550 100644
--- a/tapdb/multiverse_cache.go
+++ b/tapdb/multiverse_cache.go
@@ -692,7 +692,7 @@ func (u *universeLeafPageCache) cacheLeafKeys(q universe.UniverseLeafKeysQuery,
 
 // wipeCache wipes the cache of leaf keys for a given universe ID.
 func (u *universeLeafPageCache) wipeCache(id universeIDKey) {
-	log.Debugf("wiping leaf keys for %x in cache", id)
+	log.Debugf("wiping leaf keys for %s in cache", id)
 
 	u.leafCache.Delete(id)
 }