diff --git a/docs/admin/00_index.rst b/docs/admin/00_index.rst
index 3c60f9d9540f1bba978f665cdd0c342160d6a2e1..b41aee2b80bc0d58181ca8374e696bb5a265cc44 100644
--- a/docs/admin/00_index.rst
+++ b/docs/admin/00_index.rst
@@ -1,5 +1,5 @@
-Configuration and administration
-================================
+Setup of the AlekSIS instance and the AlekSIS core
+==================================================
 
 .. toctree::
    :glob:
diff --git a/docs/appendix/00_index.rst b/docs/appendix/00_index.rst
index 102354b28bec436f6318a401e82e01009f9fb0bd..f41fee01de96a538c8e8ed94b47748d8aedee818 100644
--- a/docs/appendix/00_index.rst
+++ b/docs/appendix/00_index.rst
@@ -1,5 +1,5 @@
-Appendix
-========
+Appendices of AlekSIS-Core
+==========================
 
 .. toctree::
    :glob:
diff --git a/docs/dev/00_index.rst b/docs/dev/00_index.rst
index 5278cebd462519b49624b87ae15b7ebe031dbea0..7a0783cf5ef4767c8bc78cca7c0cdf57f8a357ae 100644
--- a/docs/dev/00_index.rst
+++ b/docs/dev/00_index.rst
@@ -1,5 +1,5 @@
-Development of AlekSIS apps
-===========================
+Development of AlekSIS apps using the AlekSIS core
+==================================================
 
 .. toctree::
    :glob:
diff --git a/docs/preamble/00_index.rst b/docs/preamble/00_index.rst
index a8f64c51e90901625bec3dcb3e2da196e76b1d49..02ffd34ae0ea254aefe7d361d8f28601e1794b7c 100644
--- a/docs/preamble/00_index.rst
+++ b/docs/preamble/00_index.rst
@@ -1,5 +1,5 @@
-Preamble
-========
+Introduction to AlekSIS and the AlekSIS core
+============================================
 
 .. toctree::
    :glob:
diff --git a/docs/ref/00_index.rst b/docs/ref/00_index.rst
index 1f1524f16bf49c6a0f43cd0dcc4e135bebdd8413..9e452214d47658b936edbde780e69b1622a7bebe 100644
--- a/docs/ref/00_index.rst
+++ b/docs/ref/00_index.rst
@@ -1,5 +1,5 @@
-API and models reference
-========================
+Core API and models reference
+=============================
 
 .. toctree::
    :glob:
diff --git a/docs/user/00_index.rst b/docs/user/00_index.rst
index e2022ae158b76d881f03563b725edf6c2ec3ae80..d8da67c26ad55de8d1dfb29a986bab355bde0803 100644
--- a/docs/user/00_index.rst
+++ b/docs/user/00_index.rst
@@ -1,5 +1,5 @@
-End-user documentation
-======================
+Using basic features of the AlekSIS Core
+========================================
 
 .. toctree::
    :glob: