diff --git a/deps/db/src/logseq/db/schema.cljs b/deps/db/src/logseq/db/schema.cljs
index 58fefa5b6..698a77be2 100644
--- a/deps/db/src/logseq/db/schema.cljs
+++ b/deps/db/src/logseq/db/schema.cljs
@@ -52,7 +52,7 @@
    ;; "A", "B", "C"
    :block/priority {}
 
-   ;; block key value properties
+   ;; map, key -> set of refs in property value or full text if none are found
    :block/properties {}
    ;; vector
    :block/properties-order {}