diff --git a/soitool/database.py b/soitool/database.py
index 6a369aae766fc6f074887f70ec89ab97ae755b0a..bd5078c92fd97c035a54a0813db197e58d6ab531 100644
--- a/soitool/database.py
+++ b/soitool/database.py
@@ -42,7 +42,7 @@ class Database():
         self.categories = self.get_categories()
 
     def create_tables(self):
-        """Create tables Codebook, CategoryWords and ByHeart."""
+        """Create tables CodeBook, CategoryWords and ByHeart."""
         stmts = [CODEBOOK, CATEGORYWORDS, BYHEART]
 
         for stmt in stmts: