Conditional compilation - Fix typos
@@ -267,7 +267,7 @@ mod os;
> **Note**: The `cfg_attr` can expand to another `cfg_attr`. For example,
> `#[cfg_attr(linux, cfg_attr(feature = "multithreaded", some_other_attribute))`
> is valid. This example would be equivalent to
-> `#[cfg_attr(and(linux, feaure ="multithreaded"), some_other_attribute)]`.
+> `#[cfg_attr(all(linux, feature ="multithreaded"), some_other_attribute)]`.
The `cfg_attr` attribute is allowed anywhere attributes are allowed except on
generic parameters.
