Forgotten readme edit

README.md

@@ -59,7 +59,7 @@ definition lists and citations. It also adds its own custom features.
 
 Flags can be set in the Front Matter or with python code. Then, elements with
 the `if` attribute will only be shown if the flag is set to True and elements
-with the `ifn` attribute will only be show if the flag is not set to True.
+with the `ifnot` attribute will only be show if the flag is not set to True.
 
 **Example:**
 
@@ -72,7 +72,7 @@ flags:
 
 [This will not be shown]{if=bar}
 
-[This will be shown]{ifn=bar}
+[This will be shown]{ifnot=bar}
 ```
 
 ### Including other files