Update documentation.

Refs #5870

doc/1-about.md

@@ -21,11 +21,11 @@ the support overview page at [https://support.icinga.org].
 
 ## <a id="contribute"></a> Contribute
 
-There are many possiblities to contribute to Icinga - be it sending patches, testing and
+There are many ways to contribute to Icinga - be it by sending patches, testing and
 reporting bugs, reviewing and updating the documentation, ... every contribution
-is appreciated! :-)
+is appreciated!
 
-Please get in touch with the Icinga team at [https://www.icinga.org/ecosystem/]
+Please get in touch with the Icinga team at [https://www.icinga.org/ecosystem/].
 
 ## <a id="whats-new"></a> What's new
 

doc/2.2-setting-up-check-plugins.md

@@ -64,5 +64,5 @@ by trying to run it on the console using whichever user Icinga 2 is running as:
     
 > **Note**
 >
-> You may require additional libraries for some plugins. Please consult the installation
-> documentation and/or README for their installation requirements.
+> Additional libraries may be required for some plugins. Please consult the plugin
+> documentation and/or README for installation instructions.

doc/2.6-config-tools.md

@@ -8,5 +8,4 @@ your favourite configuration tool to export Icinga 2 configuration, please get i
 touch with their developers.
 
 If you're looking for puppet manifests, chef cookbooks, ansible recipes, etc - we're happy
-to integrate them upstream, so please get in touch using [https://support.icinga.org](https://support.icinga.org) :-)
-
+to integrate them upstream, so please get in touch using [https://support.icinga.org](https://support.icinga.org).

doc/6.11-plugin-api.md

@@ -1,10 +1,6 @@
 ## <a id="plugin-api"></a> Plugin API
 
-Currently the native plugin api inherited from the `Monitoring Plugins` (former
-`Nagios Plugins`) project is available.
-Future specifications will be documented here.
+Currently Icinga 2 supports the native plugin API specification from the `Monitoring Plugins`
+project.
 
-### <a id="monitoring-plugin-api"></a> Monitoring Plugin API
-
-The `Monitoring Plugin API` (former `Nagios Plugin API`) is defined in the
-[Monitoring Plugins Development Guidelines](https://www.monitoring-plugins.org/doc/guidelines.html).
+The `Monitoring Plugin API` is defined in the [Monitoring Plugins Development Guidelines](https://www.monitoring-plugins.org/doc/guidelines.html).

doc/BLACKLIST

@@ -4,3 +4,4 @@ magic
 revamp
 and so on
 itsself
+:-)

etc/icinga2/conf.d/generic-host.conf

@@ -11,7 +11,7 @@ apply Service "ping4" {
 
   check_command = "ping4",
 
-  assign where "generic-host" in host.templates
+  assign where "generic-host" in host.templates,
   ignore where !host.macros.address
 }