diff --git a/manual.xml b/manual.xml
index e16ec4239d..650cbea69c 100644
--- a/manual.xml
+++ b/manual.xml
@@ -301,6 +301,7 @@
    &reference.swoole.book;
    &reference.tidy.book;
    &reference.tokenizer.book;
+   &reference.uri.book;
    &reference.url.book;
    &reference.v8js.book;
    &reference.yaml.book;