Fix typos (#1878)

cumulus/client/consensus/common/src/tests.rs

@@ -579,7 +579,7 @@ fn follow_new_best_sets_best_after_it_is_imported() {
 		block_import_params.fork_choice = Some(ForkChoiceStrategy::Custom(false));
 		block_import_params.body = Some(body);
 
-		// Now import the unkown block to make it "known"
+		// Now import the unknown block to make it "known"
 		client.import_block(block_import_params).await.unwrap();
 
 		loop {

cumulus/client/relay-chain-interface/src/lib.rs

@@ -41,7 +41,7 @@ pub type RelayChainResult<T> = Result<T, RelayChainError>;
 
 #[derive(thiserror::Error, Debug)]
 pub enum RelayChainError {
-	#[error("Error occured while calling relay chain runtime: {0}")]
+	#[error("Error occurred while calling relay chain runtime: {0}")]
 	ApiError(#[from] ApiError),
 	#[error("Timeout while waiting for relay-chain block `{0}` to be imported.")]
 	WaitTimeout(PHash),
@@ -53,7 +53,7 @@ pub enum RelayChainError {
 	WaitBlockchainError(PHash, sp_blockchain::Error),
 	#[error("Blockchain returned an error: {0}")]
 	BlockchainError(#[from] sp_blockchain::Error),
-	#[error("State machine error occured: {0}")]
+	#[error("State machine error occurred: {0}")]
 	StateMachineError(Box<dyn sp_state_machine::Error>),
 	#[error("Unable to call RPC method '{0}'")]
 	RpcCallError(String),
@@ -67,7 +67,7 @@ pub enum RelayChainError {
 	Application(#[from] Box<dyn std::error::Error + Send + Sync + 'static>),
 	#[error("Prometheus error: {0}")]
 	PrometheusError(#[from] PrometheusError),
-	#[error("Unspecified error occured: {0}")]
+	#[error("Unspecified error occurred: {0}")]
 	GenericError(String),
 }
 

cumulus/client/relay-chain-rpc-interface/src/light_client_worker.rs

@@ -48,7 +48,7 @@ const MAX_SUBSCRIPTIONS: u32 = 64;
 
 #[derive(thiserror::Error, Debug)]
 enum LightClientError {
-	#[error("Error occured while executing smoldot request: {0}")]
+	#[error("Error occurred while executing smoldot request: {0}")]
 	SmoldotError(String),
 	#[error("Nothing returned from json_rpc_responses")]
 	EmptyResult,