Fixed typo in tutorial
diff --git a/pages/libraryexample.html b/pages/libraryexample.html
index 0cc36aa..11f4512 100644
--- a/pages/libraryexample.html
+++ b/pages/libraryexample.html
@@ -112,7 +112,7 @@
It is therefore better to model the category of the book as an enumeration.
To convert the subclasses to an enumeration, the operation <i>Enumeration to Subclasses</i> can be used.
For the first parameter, the superclass <i>Book</i> has to be selected in the Ecore editor.
-As an additional parameter, we must specify the name of the enumeration (<i>enumName</i> = "book category") and the name of the attribute (<i>attributeName</i> = "category"), before the operation can be executed.
+As an additional parameter, we must specify the name of the enumeration (<i>enumName</i> = "BookCategory") and the name of the attribute (<i>attributeName</i> = "category"), before the operation can be executed.
In the metamodel, the subclasses of <i>Book</i> will be removed and the attribute will be added to <i>Book</i>, which has the added type as enumeration.
</p><p>
These were just two examples of operations.
