diff --git a/source/tutorial/install-php-library.txt b/source/tutorial/install-php-library.txt
index 913a945e..8ad83add 100644
--- a/source/tutorial/install-php-library.txt
+++ b/source/tutorial/install-php-library.txt
@@ -10,6 +10,8 @@ Install the |php-library|
    :depth: 2
    :class: singlecol
 
+.. _php-library-install:
+
 The |php-library| is a high-level abstraction for the
 :php:`mongodb extension <mongodb>`. This page will briefly explain how to
 install both the ``mongodb`` extension and the |php-library|.