diff --git a/code/shop.py b/code/shop.py
index ab1b72a..3c7d84a 100644
--- a/code/shop.py
+++ b/code/shop.py
@@ -35,7 +35,7 @@ BOLDFINDER = re.compile(r"\*([^\*]+)\*")
 CODEFINDER = re.compile(r"\`([^\`]+)\`")
 CHECKBOX_DOKUWIKI_TICKED = re.compile(r"<todo #([^>]*)>([^<]+)</todo>")
 CHECKBOX_DOKUWIKI_UNTICKED = re.compile(r"<todo>([^<]+)</todo>")
-SHOPNAME_INVALIDCHARS = re.compile("[^A-Za-z0-9_-]+")
+SHOPNAME_INVALIDCHARS = re.compile("[^A-Za-z0-9_]+")
 
 # create our little application :)
 app = Flask(__name__)
@@ -121,8 +121,8 @@ def scan_for_new_documents(id):
         existing.append(row[1])
     for row in os.listdir(data_dir):
         if row.endswith(".txt"):
-            if row[:-3] not in existing:
-                non_existing.append(row[:-3])
+            if row[:-4] not in existing:
+                non_existing.append(row[:-4])
     for shop in non_existing:
         g.db.execute("insert into shops (shop,owner) values (?, ?)", [shop, id])
     g.db.commit()
@@ -147,7 +147,7 @@ def checkbox_add(item):
     if MARKDOWN_STYLE == "markdown":
         return f"[ ] {item}" + "\n"
     if MARKDOWN_STYLE == "dokuwiki":
-        return f"<todo>{item}</todo>" + "\n"
+        return f"- <todo>{item}</todo>" + "\n"
 
 
 def untick(item):
@@ -425,7 +425,7 @@ def add_shop():
     import re
     import string
 
-    shopname = SHOPNAME_INVALIDCHARS.sub("", request.form["shop"])
+    shopname = SHOPNAME_INVALIDCHARS.sub("", request.form["shop"].lower())
 
     if shopname == "":
         flash("Shop name empty!")