Fix type on docs

src/error.rs

@@ -7,9 +7,9 @@
 //! also supplies some constructors, such as [Error::new_unexpected()]
 //! and [Error::new_unauthorized] that can be used directly.
 //!
-//! The intended use is that error types which have [FromError]
-//! defined might sometimes be handled at a higher level. If an error
-//! should always be handled here then other modules should call the
+//! The intended use is that error types which have [From] defined
+//! might sometimes be handled at a higher level. If an error should
+//! always be handled here then other modules should call the
 //! appropriate [Error] constructor directly.
 
 use {