diff --git a/API.md b/API.md
index 7aa0379..251afd5 100644
--- a/API.md
+++ b/API.md
@@ -5,6 +5,9 @@
 Custom recipes are nonconventional crafts outside the main crafting grid.
 They can be registered in-game dynamically and have a size beyond 3x3 items.
 
+**Note:** the registration format differs from the default registration format in everything.
+The width is automatically calculated depending where you place the commas. Look at the examples attentively.
+
 #### Registering a custom crafting type (example)
 
 ```Lua
@@ -77,7 +80,7 @@ craftguide.register_craft({
 })
 ```
 
-Recipes can be registered via an URL (HTTP support is required¹):
+Recipes can be registered from a given URL containing a JSON file (HTTP support is required¹):
 
 ```Lua
 craftguide.register_craft({
diff --git a/init.lua b/init.lua
index 896f5b4..0301f8c 100644
--- a/init.lua
+++ b/init.lua
@@ -121,7 +121,6 @@ local function msg(name, str)
 	return chat_send(name, fmt("[craftguide] %s", clr("#FFFF00", str)))
 end
 
-
 local function is_str(x)
 	return type(x) == "string"
 end