Update docs

frame/support/src/lib.rs

@@ -96,7 +96,10 @@ pub enum Never {}
 /// - Using `storage` to create a storage parameter type. This type is special as it tries to
 ///   load the value from the storage under a fixed key. If the value could not be found in the
 ///   storage, the given default value will be returned. It is required that the value implements
-///   [`Encode`](codec::Encode) and [`Decode`](codec::Decode).
+///   [`Encode`](codec::Encode) and [`Decode`](codec::Decode). The key for looking up the value
+///   in the storage is build using the following formular:
+///
+///   `twox_128(":" ++ NAME ++ ":")` where `NAME` is the name that is passed as type name.
 ///
 /// # Examples
 ///

frame/support/src/traits.rs

@@ -450,9 +450,11 @@ impl<T: IntoIterator + Clone,> Len for T where <T as IntoIterator>::IntoIter: Ex
 	}
 }
 
-/// A trait for querying a single fixed value from a type.
+/// A trait for querying a single value from a type.
+///
+/// It is not required that the value is constant.
 pub trait Get<T> {
-	/// Return a constant value.
+	/// Return the current value.
 	fn get() -> T;
 }