diff --git a/doc/installation.md b/doc/installation.md
index 83939b143..f47d9b0b7 100644
--- a/doc/installation.md
+++ b/doc/installation.md
@@ -275,9 +275,11 @@ The first release candidate of Icinga Web 2 introduces the following non-backwar
`icingaweb_group_membership` were altered to ensure referential integrity.
Please use the upgrade script located in **etc/schema/** to update your
database schema
+
* Users who are using PostgreSQL < v9.1 are required to upgrade their
environment to v9.1+ as this is the new minimum required version
for utilizing PostgreSQL as database backend
+
* The restrictions `monitoring/hosts/filter` and `monitoring/services/filter`
provided by the monitoring module were merged together. The new
restriction is called `monitoring/filter/objects` and supports only a
@@ -287,12 +289,16 @@ The first release candidate of Icinga Web 2 introduces the following non-backwar
## Upgrading to Icinga Web 2 2.0.0
* Icinga Web 2 installations from package on RHEL/CentOS 7 now depend on `php-ZendFramework` which is available through
-the [EPEL repository](http://fedoraproject.org/wiki/EPEL). Before, Zend was installed as Icinga Web 2 vendor library
-through the package `icingaweb2-vendor-zend`. After upgrading, please make sure to remove the package
-`icingaweb2-vendor-zend`.
+ the [EPEL repository](http://fedoraproject.org/wiki/EPEL). Before, Zend was installed as Icinga Web 2 vendor library
+ through the package `icingaweb2-vendor-zend`. After upgrading, please make sure to remove the package
+ `icingaweb2-vendor-zend`.
* Icinga Web 2 version 2.0.0 requires permissions for accessing modules. Those permissions are automatically generated
-for each installed module in the format `module/`. Administrators have to grant the module permissions to
-users and/or user groups in the roles configuration for permitting access to specific modules.
-In addition, restrictions provided by modules are now configurable for each installed module too. Before,
-a module had to be enabled before having the possibility to configure restrictions.
+ for each installed module in the format `module/`. Administrators have to grant the module permissions to
+ users and/or user groups in the roles configuration for permitting access to specific modules.
+ In addition, restrictions provided by modules are now configurable for each installed module too. Before,
+ a module had to be enabled before having the possibility to configure restrictions.
+
+* The **instances.ini** configuration file provided by the monitoring module
+ has been renamed to **commandtransports.ini**. The content and location of
+ the file remains unchanged.