diff --git a/docs/index.rst b/docs/index.rst
index 9182cc1..5543840 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -18,6 +18,7 @@
    INSTALL
    examples
    tutorials
+   manpages
    code-style
 
 - :doc:`README`
@@ -31,7 +32,9 @@
    + :doc:`tutorials/security-library`
    + :doc:`tutorials/utils-ndn-regex`
    + :doc:`tutorials/security-validator-config`
-   + :doc:`manpages`
+   + :doc:`tutorials/signed-interest`
+
+- :doc:`manpages`
 
 Documentation for ndn-cxx developers and contributors
 +++++++++++++++++++++++++++++++++++++++++++++++++++++
diff --git a/docs/tutorials.rst b/docs/tutorials.rst
index b6e492d..5a6f175 100644
--- a/docs/tutorials.rst
+++ b/docs/tutorials.rst
@@ -8,4 +8,3 @@
    tutorials/utils-ndn-regex
    tutorials/security-validator-config
    tutorials/signed-interest
-   manpages