diff --git a/docs/Plugin.md b/docs/Plugin.md
index 63e9fe70..c9234330 100644
--- a/docs/Plugin.md
+++ b/docs/Plugin.md
@@ -19,7 +19,7 @@ The `key_store` and `indexer` role plugin can replace the default implementation
 
 The `sub_command` role plugin will add a top level sub-command in ckb-cli, the plugin will need to parse the command line argument itself.
 
-The `callback` role plugin will be called when certain event happend (send transaction for example).
+The `callback` role plugin will be called when certain event happened (send transaction for example).
 
 Here is the config return as the response of `get_config` method.
 
@@ -39,7 +39,7 @@ A plugin can define as `daemon` pluign, ckb-cli will start all actived `daemon`
 The plugin can access rpc request by `rpc_` prefixed methods, they are just proxies of [CKB json-rpc](https://github.com/nervosnetwork/ckb/blob/develop/rpc/README.md) calls. It is useful when implement your own indexer.
 
 # RPC protocol
-The rpc is follow jsonrpc 2.0 protocol. For rust user, `plugin-protocl` package provide a more semantic interface.
+The rpc is follow jsonrpc 2.0 protocol. For rust user, `plugin-protocol` package provide a more semantic interface.
 
 ## Get config of the plugin
 
@@ -468,7 +468,7 @@ If you want see all the debug log messages from plugin module, you can start ckb
 RUST_LOG=ckb_cli::plugin=debug ./target/debug/ckb-cli
 ```
 
-Show the detail infromation of the plugin:
+Show the detail information of the plugin:
 ``` shell
 CKB> plugin info --name demo_keystore
 daemon: true
diff --git a/src/plugin/manager.rs b/src/plugin/manager.rs
index 6126ab38..5b71f1dc 100644
--- a/src/plugin/manager.rs
+++ b/src/plugin/manager.rs
@@ -963,7 +963,7 @@ impl PluginProcess {
                             Err(err) => Err(err.to_string())
                         }
                     }
-                    // Send repsonse requested by plugin to ckb-cli (ServiceProvider)
+                    // Send response requested by plugin to ckb-cli (ServiceProvider)
                     recv(service_receiver) -> msg_result => {
                         match msg_result {
                             Ok(msg) => handle_service_msgs(&mut stdin, msg),
diff --git a/src/subcommands/tui/mod.rs b/src/subcommands/tui/mod.rs
index 90e109fa..b05963ec 100644
--- a/src/subcommands/tui/mod.rs
+++ b/src/subcommands/tui/mod.rs
@@ -428,7 +428,7 @@ fn render_blocks<B: Backend>(state: &State, ctx: RenderContext<B>) {
                 Style::default().modifier(Modifier::BOLD),
             ),
             Text::raw(format!(
-                "  commited={}, proposed={}, uncles={}, inputs={}, outputs={}, cellbase={}",
+                "  committed={}, proposed={}, uncles={}, inputs={}, outputs={}, cellbase={}",
                 block.commit_tx_count,
                 block.proposal_tx_count,
                 block.uncle_count,
diff --git a/src/subcommands/tx.rs b/src/subcommands/tx.rs
index 53f64792..7bda6300 100644
--- a/src/subcommands/tx.rs
+++ b/src/subcommands/tx.rs
@@ -669,7 +669,7 @@ fn get_keystore_signer(
                     )?;
                     if data.len() != 65 {
                         Err(format!(
-                            "Invalid signature data lenght: {}, data: {:?}",
+                            "Invalid signature data length: {}, data: {:?}",
                             data.len(),
                             data
                         ))
diff --git a/src/utils/other.rs b/src/utils/other.rs
index 0ce89d19..90ee628a 100644
--- a/src/utils/other.rs
+++ b/src/utils/other.rs
@@ -106,7 +106,7 @@ pub fn get_signer(
         )?;
         if data.len() != 65 {
             Err(format!(
-                "Invalid signature data lenght: {}, data: {:?}",
+                "Invalid signature data length: {}, data: {:?}",
                 data.len(),
                 data
             ))
diff --git a/src/utils/yaml_ser.rs b/src/utils/yaml_ser.rs
index 681e5336..a1b329ce 100644
--- a/src/utils/yaml_ser.rs
+++ b/src/utils/yaml_ser.rs
@@ -264,7 +264,7 @@ impl<'a> YamlEmitter<'a> {
 
     /// Emit a yaml as a hash or array value: i.e., which should appear
     /// following a ":" or "-", either after a space, or on a new line.
-    /// If `inline` is true, then the preceeding characters are distinct
+    /// If `inline` is true, then the preceding characters are distinct
     /// and short enough to respect the compact flag.
     fn emit_val(&mut self, inline: bool, val: &Yaml) -> EmitResult {
         match *val {
diff --git a/test/src/miner.rs b/test/src/miner.rs
index 9c7767f2..03d51b11 100644
--- a/test/src/miner.rs
+++ b/test/src/miner.rs
@@ -142,7 +142,7 @@ impl Miner {
             count += 1;
 
             if count > 900 {
-                panic!("wait transaction to commited failed");
+                panic!("wait transaction to committed failed");
             }
             thread::sleep(Duration::from_millis(20));
         }