Fix typos and markdown (#2388)

* Fix typos

* Align properly

* Update core/consensus/slots/src/lib.rs

Co-Authored-By: cmichi <mich@elmueller.net>

* Update core/network/src/test/mod.rs

Co-Authored-By: cmichi <mich@elmueller.net>

* Update core/finality-grandpa/src/communication/mod.rs

Co-Authored-By: cmichi <mich@elmueller.net>

* Update core/consensus/common/src/import_queue.rs

Co-Authored-By: cmichi <mich@elmueller.net>

substrate/core/client/db/src/cache/list_cache.rs

@@ -436,7 +436,7 @@ impl<Block: BlockT, T: CacheItemT> Fork<Block, T> {
 		}
 	}
 
-	/// Try to append NEW block to the fork. This method willonly 'work' (return true) when block
+	/// Try to append NEW block to the fork. This method will only 'work' (return true) when block
 	/// is actually appended to the fork AND the best known block of the fork is known (i.e. some
 	/// block has been already appended to this fork after last restart).
 	pub fn try_append(&self, parent: &ComplexBlockId<Block>) -> bool {
@@ -932,7 +932,7 @@ pub mod tests {
 		assert!(tx.removed_entries().is_empty());
 		assert_eq!(*tx.updated_meta(), Some(Metadata { finalized: Some(correct_id(2)), unfinalized: vec![correct_id(3)] }));
 
-		// when inserting finalized entry AND there are no previous finalzed entries
+		// when inserting finalized entry AND there are no previous finalized entries
 		let cache = ListCache::new(DummyStorage::new(), 1024, correct_id(2));
 		let mut tx = DummyTransaction::new();
 		assert_eq!(cache.on_block_insert(&mut tx, correct_id(2), correct_id(3), Some(3), true).unwrap(),
@@ -1031,7 +1031,7 @@ pub mod tests {
 		// when new block is appended to unfinalized fork
 		cache.on_transaction_commit(CommitOperation::AppendNewBlock(0, correct_id(6)));
 		assert_eq!(cache.unfinalized[0].best_block, Some(correct_id(6)));
-		// when new entry is appnded to unfinalized fork
+		// when new entry is appended to unfinalized fork
 		cache.on_transaction_commit(CommitOperation::AppendNewEntry(0, Entry { valid_from: correct_id(7), value: Some(7) }));
 		assert_eq!(cache.unfinalized[0].best_block, Some(correct_id(7)));
 		assert_eq!(cache.unfinalized[0].head, Entry { valid_from: correct_id(7), value: Some(7) });

substrate/core/client/db/src/lib.rs

@@ -764,7 +764,7 @@ impl<Block: BlockT<Hash=H256>> Backend<Block> {
 		Ok((*hash, number, false, true))
 	}
 
-	// performs forced canonicaliziation with a delay after importning a non-finalized block.
+	// performs forced canonicaliziation with a delay after importing a non-finalized block.
 	fn force_delayed_canonicalize(
 		&self,
 		transaction: &mut DBTransaction,

substrate/core/client/src/light/blockchain.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-//! Light client blockchin backend. Only stores headers and justifications of recent
+//! Light client blockchain backend. Only stores headers and justifications of recent
 //! blocks. CHT roots are stored for headers of ancient blocks.
 
 use std::{sync::{Weak, Arc}, collections::HashMap};

substrate/core/client/src/light/call_executor.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-//! Light client call exector. Executes methods on remote full nodes, fetching
+//! Light client call executor. Executes methods on remote full nodes, fetching
 //! execution proof and checking it locally.
 
 use std::{collections::HashSet, sync::Arc, panic::UnwindSafe, result, marker::PhantomData};
@@ -406,7 +406,7 @@ pub fn prove_execution<Block, S, E>(
 /// Check remote contextual execution proof using given backend.
 ///
 /// Method is executed using passed header as environment' current block.
-/// Proof shoul include both environment preparation proof and method execution proof.
+/// Proof should include both environment preparation proof and method execution proof.
 pub fn check_execution_proof<Header, E, H>(
 	executor: &E,
 	request: &RemoteCallRequest<Header>,