More app-friendly event description (#6684)

* More app-friendly event description

* change origin -> owner

* checked all decl_event! and changed decriptions.

* annotated parameter names for remaining events

src/lib.rs

@@ -264,17 +264,21 @@ decl_event! {
 	pub enum Event<T> where
 		AccountId = <T as system::Trait>::AccountId,
 	{
-		/// A recovery process has been set up for an account
+		/// A recovery process has been set up for an [account].
 		RecoveryCreated(AccountId),
-		/// A recovery process has been initiated for account_1 by account_2
+		/// A recovery process has been initiated for lost account by rescuer account.
+		/// [lost, rescuer]
 		RecoveryInitiated(AccountId, AccountId),
-		/// A recovery process for account_1 by account_2 has been vouched for by account_3
+		/// A recovery process for lost account by rescuer account has been vouched for by sender.
+		/// [lost, rescuer, sender]
 		RecoveryVouched(AccountId, AccountId, AccountId),
-		/// A recovery process for account_1 by account_2 has been closed
+		/// A recovery process for lost account by rescuer account has been closed.
+		/// [lost, rescuer]
 		RecoveryClosed(AccountId, AccountId),
-		/// Account_1 has been successfully recovered by account_2
+		/// Lost account has been successfully recovered by rescuer account.
+		/// [lost, rescuer]
 		AccountRecovered(AccountId, AccountId),
-		/// A recovery process has been removed for an account
+		/// A recovery process has been removed for an [account].
 		RecoveryRemoved(AccountId),
 	}
 }