diff --git a/Automatic-output-splitting.md b/Automatic-output-splitting.md
index 8c63c71..074830c 100644
--- a/Automatic-output-splitting.md
+++ b/Automatic-output-splitting.md
@@ -3,7 +3,7 @@ Input will be automatically split into multiple _MOBI_ files **if correct file s
 
 For now KCC support three directory structures. If none of these structures will be used KCC will try to create a single MOBI file. If input batch is very big conversion might fail due to **KindleGen** or memory  limitations.
 
-Additionally directory structure is used to generate table of contents.
+**Additionally directory structure is used to generate table of contents.**
 
 ![FS](http://i.imgur.com/NY8MZAl.png)