diff --git a/doc/extensions/extensions.md b/doc/extensions/extensions.md
index 20193cc..81d6c91 100644
--- a/doc/extensions/extensions.md
+++ b/doc/extensions/extensions.md
@@ -25,7 +25,7 @@ Generic extension creation guideline:
 * The extension should implement the configuration parsing from the `XmlNode` and `YamlExtensionConfiguration`.
 * The extension should support disabling from the configuration file.
 
-WinSW engine will automatically locate your extension using the class name in the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../YamlConfigFile.md).
+WinSW engine will automatically locate your extension using the class name in the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../yamlConfigFile.md).
 See configuration samples provided for the extensions in the core.
 For extensions from external DLLs, the `className` field should also specify the assembly name. 
 It can be done via fully qualified class name or just by the `${CLASS_NAME}, ${ASSEMBLY_NAME}` declaration.
diff --git a/doc/extensions/runawayProcessKiller.md b/doc/extensions/runawayProcessKiller.md
index fbbf011..81439af 100644
--- a/doc/extensions/runawayProcessKiller.md
+++ b/doc/extensions/runawayProcessKiller.md
@@ -11,9 +11,9 @@ Since: WinSW 2.0.
 
 ## Usage
 
-The extension can be configured via the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../YamlConfigFile.md). 
+The extension can be configured via the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../yamlConfigFile.md). 
 
-### XML Configuration sample
+### XML configuration sample
 
 ```xml
 <?xml version="1.0" encoding="utf-8" ?>
@@ -44,7 +44,7 @@ The extension can be configured via the [XML configuration file](../xmlConfigFil
 </service>
 ```
 
-### YAML Configuration Sample
+### YAML configuration sample
 
 ```yaml
 id: sampleService
diff --git a/doc/extensions/sharedDirectoryMapper.md b/doc/extensions/sharedDirectoryMapper.md
index bf98533..e973a82 100644
--- a/doc/extensions/sharedDirectoryMapper.md
+++ b/doc/extensions/sharedDirectoryMapper.md
@@ -9,9 +9,9 @@ Since: WinSW 2.0.
 
 ## Usage
 
-The extension can be configured via the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../YamlConfigFile.md).
+The extension can be configured via the [XML configuration file](../xmlConfigFile.md) or [YAML configuration file](../yamlConfigFile.md).
 
-### XML Configuration sample
+### XML configuration sample
 
 ```xml
 <?xml version="1.0" encoding="utf-8" ?>
@@ -34,7 +34,7 @@ The extension can be configured via the [XML configuration file](../xmlConfigFil
 </service>
 ```
 
-### YAML Configuration sample
+### YAML configuration sample
 
 ```yaml
 id: sampleService