diff --git a/src/alembic.ini.example b/src/alembic.ini.example
index 9b54baf45c8988ab60a254376e671e272658aac2..fe3f6a73d740f8fbe643b428b5bdfe2a3042b052 100644
--- a/src/alembic.ini.example
+++ b/src/alembic.ini.example
@@ -35,8 +35,7 @@ script_location = database
 # are written from script.py.mako
 # output_encoding = utf-8
 
-# sqlalchemy.url = driver://user:pass@localhost/dbname
-# +mysqldb
+# sqlalchemy.url = driver://user:pass@host:port/dbname
 sqlalchemy.url = mysql+pymysql://user:password@localhost/databasename
 
 
diff --git a/src/database/models/Book.py b/src/database/models/Book.py
index f49555ac4922260b906d065942523ac3c7dc953e..bda89a4718947541582a55ed1904107f953bf374 100644
--- a/src/database/models/Book.py
+++ b/src/database/models/Book.py
@@ -16,7 +16,7 @@ class Book(Base, Model):
     rating = Column(SmallInteger, index=True)
 
     upc = Column(String(32), unique=True)
-    product_type = Column(String(32), index=True)  # -> Books
+    product_type = Column(String(32), index=True)
     price_excl_tax = Column(Numeric(6, 2), index=True)
     price_incl_tax = Column(Numeric(6, 2), index=True)
     tax = Column(Numeric(6, 2), index=True)