diff --git a/cli/src/feature.rs b/cli/src/feature.rs
index 6bf51b45f5..b368959e8e 100644
--- a/cli/src/feature.rs
+++ b/cli/src/feature.rs
@@ -283,7 +283,7 @@ fn feature_activation_allowed(rpc_client: &RpcClient, quiet: bool) -> Result<boo
         }
         println!(
             "{}",
-            style(format!("Tool Feture Set: {}", my_feature_set)).bold()
+            style(format!("Tool Feature Set: {}", my_feature_set)).bold()
         );
         println!("{}", style("Cluster Feature Sets and Stakes:").bold());
         for (feature_set, percentage) in active_stake_by_feature_set.iter() {
diff --git a/cli/tests/stake.rs b/cli/tests/stake.rs
index 4a425e39eb..54f20c1363 100644
--- a/cli/tests/stake.rs
+++ b/cli/tests/stake.rs
@@ -286,7 +286,7 @@ fn test_offline_stake_delegation_and_deactivation() {
     config_offline.command = CliCommand::ClusterVersion;
     let offline_keypair = Keypair::new();
     config_offline.signers = vec![&offline_keypair];
-    // Verfiy that we cannot reach the cluster
+    // Verify that we cannot reach the cluster
     process_command(&config_offline).unwrap_err();
 
     request_and_confirm_airdrop(
@@ -535,7 +535,7 @@ fn test_stake_authorize() {
     config_offline.json_rpc_url = String::default();
     let offline_authority_pubkey = config_offline.signers[0].pubkey();
     config_offline.command = CliCommand::ClusterVersion;
-    // Verfiy that we cannot reach the cluster
+    // Verify that we cannot reach the cluster
     process_command(&config_offline).unwrap_err();
 
     request_and_confirm_airdrop(
@@ -1295,7 +1295,7 @@ fn test_offline_nonced_create_stake_account_and_withdraw() {
     let offline_pubkey = config_offline.signers[0].pubkey();
     config_offline.json_rpc_url = String::default();
     config_offline.command = CliCommand::ClusterVersion;
-    // Verfiy that we cannot reach the cluster
+    // Verify that we cannot reach the cluster
     process_command(&config_offline).unwrap_err();
 
     request_and_confirm_airdrop(
diff --git a/client/src/http_sender.rs b/client/src/http_sender.rs
index 43ca3d7d96..e450225ca6 100644
--- a/client/src/http_sender.rs
+++ b/client/src/http_sender.rs
@@ -85,7 +85,7 @@ impl RpcSender for HttpSender {
                                             }
                                         }
                                     },
-                                    rpc_custom_error::JSON_RPC_SERVER_ERROR_NODE_UNHEALTHLY => {
+                                    rpc_custom_error::JSON_RPC_SERVER_ERROR_NODE_UNHEALTHY => {
                                         match serde_json::from_value::<rpc_custom_error::NodeUnhealthyErrorData>(json["error"]["data"].clone()) {
                                             Ok(rpc_custom_error::NodeUnhealthyErrorData {num_slots_behind}) => RpcResponseErrorData::NodeUnhealthy {num_slots_behind},
                                             Err(_err) => {
diff --git a/client/src/pubsub_client.rs b/client/src/pubsub_client.rs
index d88a56d646..fada6e6591 100644
--- a/client/src/pubsub_client.rs
+++ b/client/src/pubsub_client.rs
@@ -98,7 +98,7 @@ where
     }
 
     pub fn send_unsubscribe(&self) -> Result<(), PubsubClientError> {
-        let method = format!("{}Unubscribe", self.operation);
+        let method = format!("{}Unsubscribe", self.operation);
         self.socket
             .write()
             .unwrap()
diff --git a/client/src/rpc_custom_error.rs b/client/src/rpc_custom_error.rs
index ab14ca7a32..e6191bf680 100644
--- a/client/src/rpc_custom_error.rs
+++ b/client/src/rpc_custom_error.rs
@@ -8,7 +8,7 @@ pub const JSON_RPC_SERVER_ERROR_BLOCK_CLEANED_UP: i64 = -32001;
 pub const JSON_RPC_SERVER_ERROR_SEND_TRANSACTION_PREFLIGHT_FAILURE: i64 = -32002;
 pub const JSON_RPC_SERVER_ERROR_TRANSACTION_SIGNATURE_VERIFICATION_FAILURE: i64 = -32003;
 pub const JSON_RPC_SERVER_ERROR_BLOCK_NOT_AVAILABLE: i64 = -32004;
-pub const JSON_RPC_SERVER_ERROR_NODE_UNHEALTHLY: i64 = -32005;
+pub const JSON_RPC_SERVER_ERROR_NODE_UNHEALTHY: i64 = -32005;
 pub const JSON_RPC_SERVER_ERROR_TRANSACTION_PRECOMPILE_VERIFICATION_FAILURE: i64 = -32006;
 pub const JSON_RPC_SERVER_ERROR_SLOT_SKIPPED: i64 = -32007;
 pub const JSON_RPC_SERVER_ERROR_NO_SNAPSHOT: i64 = -32008;
@@ -80,7 +80,7 @@ impl From<RpcCustomError> for Error {
                 data: None,
             },
             RpcCustomError::NodeUnhealthy { num_slots_behind } => Self {
-                code: ErrorCode::ServerError(JSON_RPC_SERVER_ERROR_NODE_UNHEALTHLY),
+                code: ErrorCode::ServerError(JSON_RPC_SERVER_ERROR_NODE_UNHEALTHY),
                 message: if let Some(num_slots_behind) = num_slots_behind {
                     format!("Node is behind by {} slots", num_slots_behind)
                 } else {