📝 docs: replace "last lines" to "last directive"

content/blog/security.md

@@ -1,6 +1,7 @@
 +++
 title = "Secure by default"
 date = 2023-02-22
+updated = 2023-03-13
 description = "tabi has an easily customizable Content Security Policy (CSP) with safe defaults. Get peace of mind and an A+ on Mozilla Observatory."
 
 [taxonomies]
@@ -9,7 +10,7 @@ tags = ["security", "showcase"]
 
 The default configuration of the theme gets an A+ score on [Mozilla Observatory](https://observatory.mozilla.org).
 
-This is accomplished by programatically configuring Content Security Policy (CSP) headers based on a user-defined list of allowed domains in the theme's `config.toml` file. Here's the default and recommended setup (you could remove the last lines if you don't want to embed videos):
+This is accomplished by programatically configuring Content Security Policy (CSP) headers based on a user-defined list of allowed domains in the theme's `config.toml` file. Here's the default and recommended setup (you could remove the last directive if you don't want to embed videos):
 
 ```
 [extra]