Update documentation.

diff --git a/doc/2.1-setting-up-icinga-2.md b/doc/2.1-setting-up-icinga-2.md
index 6fe3c4ef23de5a85e910787a6ebb758fcb5f99d3..ff2b56a9f324814989e81d200b7bbd704ed7b4de 100644 (file)
--- a/doc/2.1-setting-up-icinga-2.md
+++ b/doc/2.1-setting-up-icinga-2.md
@@ -19,15 +19,20 @@ are available for your favorite distribution.
 
 > **Note**
 >
-> RHEL/CentOS 5 packages require the EPEL repository enabled (ships boost141).
-> SLES 11 SP3 and older packages require boost_1_54_0 (available on
-packages.icinga.org).
-
-Icinga 2 is split up into several packages:
+> RHEL/CentOS 5 packages require the EPEL repository enabled (which provides the
+> `boost141` package). SLES 11 SP3 and older versions require the `boost_1_54_0`
+> package (available on packages.icinga.org).
 
 You can install Icinga 2 by using your distribution's package manager
-to install the `icinga2` package. Some parts of Icinga 2's functionality
-are available as separate packages:
+to install the `icinga2` package.
+
+> **Note**
+>
+> On RHEL/CentOS and SLES you will need to use `chkconfig` to enable the
+`icinga2` service. You can manually start Icinga 2 using `/etc/init.d/icinga2
+start`.
+
+Some parts of Icinga 2's functionality are available as separate packages:
 
   Name                    | Description
   ------------------------|--------------------------------