diff --git a/admin_manual/configuration_files/encryption_configuration.rst b/admin_manual/configuration_files/encryption_configuration.rst
index ff9ac5c5e..c59f0267f 100644
--- a/admin_manual/configuration_files/encryption_configuration.rst
+++ b/admin_manual/configuration_files/encryption_configuration.rst
@@ -146,7 +146,7 @@ storage mount, see :ref:`external_storage_mount_options_label`
 .. _enable-file-recovery-key:
 
 Enabling Users File Recovery Keys
-----------------------------------
+---------------------------------
 
 If you lose your Nextcloud password, then you lose access to your encrypted 
 files. If one of your users loses their Nextcloud password their files are 
diff --git a/admin_manual/configuration_server/server_tuning.rst b/admin_manual/configuration_server/server_tuning.rst
index 3f330996b..3dd26eed2 100644
--- a/admin_manual/configuration_server/server_tuning.rst
+++ b/admin_manual/configuration_server/server_tuning.rst
@@ -73,8 +73,6 @@ Enable HTTP2 for faster loading
 
 HTTP2 has `huge speed improvements <https://www.troyhunt.com/i-wanna-go-fast-https-massive-speed-advantage/>`_ over HTTP with multiple request. Most `browsers already support HTTP2 over SSL (HTTPS) <http://caniuse.com/#feat=http2>`_. So refer to your server manual for guides on how to use HTTP2.
 
-.. _opcache:
-
 Enable PHP OPcache
 ------------------
 
diff --git a/admin_manual/installation/selinux_configuration.rst b/admin_manual/installation/selinux_configuration.rst
index 51002e8fb..6531986cd 100644
--- a/admin_manual/installation/selinux_configuration.rst
+++ b/admin_manual/installation/selinux_configuration.rst
@@ -132,6 +132,6 @@ Nextcloud directory::
 
 It is much stronger security to have a more fine-grained ruleset as in the
 examples at the beginning, so use this only for testing and troubleshooting. It
- has a similar effect to disabling SELinux, so don't use it on production
- systems.
+has a similar effect to disabling SELinux, so don't use it on production
+systems.
 
diff --git a/admin_manual/installation/source_installation.rst b/admin_manual/installation/source_installation.rst
index 09d364bf2..afb8b47d5 100644
--- a/admin_manual/installation/source_installation.rst
+++ b/admin_manual/installation/source_installation.rst
@@ -45,9 +45,9 @@ To install the Nextcloud Snap Package, run the following command in a terminal::
     sudo snap install nextcloud
 
 .. note:: The `snapd technology <http://snapcraft.io/docs/core/>`_ is the core
-that powers snaps, and it offers a new way to package, distribute, update and
-run OS components and applications on a Linux system. See more about snaps on
-`snapcraft.io <http://snapcraft.io/>`_.
+   that powers snaps, and it offers a new way to package, distribute, update and
+   run OS components and applications on a Linux system. See more about snaps on
+   `snapcraft.io <http://snapcraft.io/>`_.
 
 .. _prerequisites_label: