doc: changed message

following #465 (review)

Author: Sxmourai

src/structures/paging/mapper/mod.rs

@@ -285,15 +285,16 @@ pub trait Mapper<S: PageSize> {
     fn unmap(&mut self, page: Page<S>) -> Result<(PhysFrame<S>, MapperFlush<S>), UnmapError>;
 
     /// Updates the flags of an existing mapping.
-    ///
+    /// 
+    /// To read the current flags of a mapped page, use the [`Translate::translate`] method.
+    /// 
     /// ## Safety
     ///
     /// This method is unsafe because changing the flags of a mapping
     /// might result in undefined behavior. For example, setting the
     /// `GLOBAL` and `WRITABLE` flags for a page might result in the corruption
     /// of values stored in that page from processes running in other address
     /// spaces.
-    /// If you instead want to get the current flags on a mapped page, you can see the trait implementation `TranslateResult::Mapped` flags
     unsafe fn update_flags(
         &mut self,
         page: Page<S>,