Tutorial: rename "Data" to "Corpus Data" in navigation bar and headline

Change-Id: I98a7ad482008972f73180529872dfaf656d33eae
diff --git a/kalamar.dict b/kalamar.dict
index af6c594..2fe2ebc 100644
--- a/kalamar.dict
+++ b/kalamar.dict
@@ -91,7 +91,7 @@
       '#syntagmatic-operators' => 'Syntagmatische Operatoren',
       '#class-operators' => 'Klassen-Operatoren',
       'regexp' => 'Reguläre Ausdrücke',
-      'data' => 'Daten',
+      'data' => 'Korpusdaten',
       'corpus' => 'Korpora',
       'annotation' => 'Annotationen',
       '#default-foundries' => 'Standard Foundries',
@@ -188,7 +188,7 @@
       '#syntagmatic-operators' => 'Syntagmatic Operators',
       '#class-operators' => 'Class Operators',
       'regexp' => 'Regular Expressions',
-      'data' => 'Data',
+      'data' => 'Corpus Data',
       'corpus' => 'Corpora',
       'annotation' => 'Annotations',
       '#default-foundries' => 'Default Foundries',