diff --git a/doc/7-icinga-template-library.md b/doc/7-icinga-template-library.md
index e55ce59d358..2a6fd53c8e2 100644
--- a/doc/7-icinga-template-library.md
+++ b/doc/7-icinga-template-library.md
@@ -928,7 +928,7 @@ The Plugins contrib collects various contributed command definitions.
These check commands assume that the global constant named `PluginsContribDir`
is set to the path where the user installs custom plugins and can be enabled by uncommenting the corresponding line in icinga2.conf.
-## Network Components
+## Network Components
This category includes all plugins for various network components like routers, switches and firewalls.
@@ -1000,7 +1000,7 @@ interfacetable_defaulttablesorting | **Optional.** Default table sorting can be
interfacetable_tablesplit | **Optional.** Generate multiple interface tables, one per interface type. Defaults to false.
interfacetable_notype | **Optional.** Remove the interface type for each interface. Defaults to false.
-## Operating System
+## Operating System
In this category you can find plugins for gathering information about your operating system or the system beneath like memory usage.
@@ -1018,7 +1018,7 @@ mem_cache | **Optional.** If set to true plugin will count cache as free memo
mem_warning | **Required.** Specifiy the warning threshold as number interpreted as percent.
mem_critical | **Required.** Specifiy the critical threshold as number interpreted as percent.
-## Virtualization
+## Virtualization
This category includes all plugins for various virtualization technologies.