[docs] Fix dist
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 878a472..f4bf2fd 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -75,6 +75,7 @@
 	usermanual-what-is-harfbuzz.xml \
 	usermanual-install-harfbuzz.xml \
 	usermanual-getting-started.xml \
+	usermanual-glyph-information.xml \
 	usermanual-shaping-concepts.xml \
 	usermanual-object-model.xml \
 	usermanual-buffers-language-script-and-direction.xml \