diff --git a/authserver/README.md b/authserver/README.md
index c4e0c53..e89bd63 100644
--- a/authserver/README.md
+++ b/authserver/README.md
@@ -15,11 +15,11 @@ $ . env/bin/activate
 
 ## API
 
-The API is RESTful and returns hyperlinked json data.
+The API is RESTful and returns hyperlinked json data. URLs require a trailing slash.
 
 ### For anonymous users
 
-#### GET `/tooldata`
+#### GET `/tooldata/`
 
 Returns all the info about the shop and its tools. Tools are split into categories.
 
@@ -79,7 +79,7 @@ Example response:
 
 ### For authenticated users
 
-#### GET `/user`
+#### GET `/user/`
 
 Returns info about the logged in user, including which tools they are authorized on. Note the top-level array (a quirk of django-rest-framework).
 
@@ -106,29 +106,29 @@ Example response:
 
 Ensure images are square and 1280x1280 px large. Slugs should be lowercase and one word (replace spaces with hyphens).
 
-#### GET, POST `/tool`
+#### GET, POST `/tool/`
 
 Get a list of tools, or post a new tool to the database.
 
-#### GET, PUT, DELETE `/tool/[slug]`
+#### GET, PUT, DELETE `/tool/[slug]/`
 
 Get a specific tool, modify or delete an existing one.
 
-#### GET, POST `/category`
+#### GET, POST `/category/`
 
 Get a list of categories, or post a new category to the database.
 
-#### GET, PUT, DELETE `/category/[slug]`
+#### GET, PUT, DELETE `/category/[slug]/`
 
 Get a specific category, modify or delete an existing one.
 
 Note: you can only delete a category that has no tools.
 
-#### GET `/profile`
+#### GET `/profile/`
 
 Get a list of all profiles.
 
-#### GET, PUT `/profile/[id]`
+#### GET, PUT `/profile/[id]/`
 
 Get a specific profile, or modify an existing one.