Rename cfg.cfg_attr.restriction

This is to follow the template.

Author: ehuss

src/conditional-compilation.md

@@ -407,6 +407,9 @@ The syntax for the `cfg_attr` attribute is:
 CfgAttrs -> Attr (`,` Attr)* `,`?
 ```
 
+r[cfg.cfg_attr.allowed-positions]
+The `cfg_attr` attribute is allowed anywhere attributes are allowed.
+
 
 r[cfg.cfg_attr.behaviour]
 When the configuration predicate is true, this attribute expands out to the attributes listed after the predicate. For example, the following module will either be found at `linux.rs` or `windows.rs` based on the target.
@@ -429,9 +432,6 @@ fn bewitched() {}
 > [!NOTE]
 > The `cfg_attr` can expand to another `cfg_attr`. For example, `#[cfg_attr(target_os = "linux", cfg_attr(feature = "multithreaded", some_other_attribute))]` is valid. This example would be equivalent to `#[cfg_attr(all(target_os = "linux", feature ="multithreaded"), some_other_attribute)]`.
 
-r[cfg.cfg_attr.restriction]
-The `cfg_attr` attribute is allowed anywhere attributes are allowed.
-
 The [`crate_type`] and [`crate_name`] attributes cannot be used with `cfg_attr`.
 
 r[cfg.macro]