chore: fix some typos (#4253)

polkadot/runtime/common/src/crowdloan/mod.rs

@@ -866,7 +866,7 @@ mod tests {
 	use sp_core::H256;
 	use std::{cell::RefCell, collections::BTreeMap, sync::Arc};
 	// The testing primitives are very useful for avoiding having to work with signatures
-	// or public keys. `u64` is used as the `AccountId` and no `Signature`s are requried.
+	// or public keys. `u64` is used as the `AccountId` and no `Signature`s are required.
 	use crate::{
 		crowdloan,
 		mock::TestRegistrar,

polkadot/runtime/common/src/paras_registrar/mod.rs

@@ -412,7 +412,7 @@ pub mod pallet {
 		/// validators have reported on the validity of the code, the code will either be enacted
 		/// or the upgrade will be rejected. If the code will be enacted, the current code of the
 		/// parachain will be overwritten directly. This means that any PoV will be checked by this
-		/// new code. The parachain itself will not be informed explictely that the validation code
+		/// new code. The parachain itself will not be informed explicitly that the validation code
 		/// has changed.
 		///
 		/// Can be called by Root, the parachain, or the parachain manager if the parachain is

polkadot/runtime/parachains/src/inclusion/mod.rs

@@ -245,7 +245,7 @@ pub enum AggregateMessageOrigin {
 /// Identifies a UMP queue inside the `MessageQueue` pallet.
 ///
 /// It is written in verbose form since future variants like `Here` and `Bridged` are already
-/// forseeable.
+/// foreseeable.
 #[derive(Encode, Decode, Clone, MaxEncodedLen, Eq, PartialEq, RuntimeDebug, TypeInfo)]
 pub enum UmpQueueId {
 	/// The message originated from this parachain.

polkadot/runtime/parachains/src/paras/mod.rs

@@ -641,7 +641,7 @@ pub mod pallet {
 		///
 		/// This is only used at genesis or by root.
 		///
-		/// TODO: Remove once coretime is the standard accross all chains.
+		/// TODO: Remove once coretime is the standard across all chains.
 		type AssignCoretime: AssignCoretime;
 	}
 

polkadot/runtime/parachains/src/paras_inherent/mod.rs

@@ -1099,7 +1099,7 @@ fn limit_and_sanitize_disputes<
 }
 
 // Helper function for filtering candidates which don't pass the given predicate. When/if the first
-// candidate which failes the predicate is found, all the other candidates that follow are dropped.
+// candidate which failed the predicate is found, all the other candidates that follow are dropped.
 fn retain_candidates<
 	T: inclusion::Config + paras::Config + inclusion::Config,
 	F: FnMut(ParaId, &mut C) -> bool,