diff --git a/diigo-cache/README.md b/diigo-cache/README.md
index 8aaf3b4..57a777e 100644
--- a/diigo-cache/README.md
+++ b/diigo-cache/README.md
@@ -24,7 +24,7 @@ goal 2 preamble).
     rows are dropped *before* etching (`publicOnly`), so its storage
     holds nothing private. Same cookie webapp as the private cache.
     Public page n is diigo page n, filtered (may show fewer than
-    `PAGE_SIZE`, 128).
+    `PAGE_SIZE`, 100: diigo's cap).
     `/public/<username>` resolves through the `idFromName("index")`
     registry.
 - **Pages**: home's dump form (cache id + page number, POST) shows raw