diff --git a/docs/_advanced/authorization.md b/docs/_advanced/authorization.md
index 4a79720fe..e00ae5088 100644
--- a/docs/_advanced/authorization.md
+++ b/docs/_advanced/authorization.md
@@ -44,7 +44,7 @@ const authorizeFn = async ({ teamId, enterpriseId }) => {
   for (const team in installations) {
     // Check for matching teamId and enterpriseId in the installations array
     if ((team.teamId === teamId) && (team.enterpriseId === enterpriseId)) {
-      // This is a match. Use these installaton credentials.
+      // This is a match. Use these installation credentials.
       return {
         // You could also set userToken instead
         botToken: team.botToken,
@@ -56,4 +56,4 @@ const authorizeFn = async ({ teamId, enterpriseId }) => {
   
   throw new Error('No matching authorizations');
 }
-```
\ No newline at end of file
+```
diff --git a/docs/_basic/listening_events.md b/docs/_basic/listening_events.md
index 31a7f4aff..b2c5b3da9 100644
--- a/docs/_basic/listening_events.md
+++ b/docs/_basic/listening_events.md
@@ -13,7 +13,7 @@ The `event()` method requires an `eventType` of type string.
 ```javascript
 const welcomeChannelId = 'C12345';
 
-// When a user joins the team, send a message in a predfined channel asking them to introduce themselves
+// When a user joins the team, send a message in a predefined channel asking them to introduce themselves
 app.event('team_join', async ({ event, context }) => {
   try {
     const result = await app.client.chat.postMessage({
diff --git a/docs/_basic/sending_messages.md b/docs/_basic/sending_messages.md
index d2a4eed49..b4bc78255 100644
--- a/docs/_basic/sending_messages.md
+++ b/docs/_basic/sending_messages.md
@@ -11,7 +11,7 @@ In the case that you'd like to send a message outside of a listener or you want
 </div>
 
 ```javascript
-// Listens for messsages containing "knock knock" and responds with an italicized "who's there?"
+// Listens for messages containing "knock knock" and responds with an italicized "who's there?"
 app.message('knock knock', ({ message, say }) => {
   say(`_Who's there?_`);
 });
diff --git a/docs/_basic/web_api.md b/docs/_basic/web_api.md
index f310a4f1b..59c84b0a6 100644
--- a/docs/_basic/web_api.md
+++ b/docs/_basic/web_api.md
@@ -18,7 +18,7 @@ app.message('wake me up', async ({ message, context }) => {
   try {
     // Call the chat.scheduleMessage method with a token
     const result = await app.client.chat.scheduleMessage({
-      // The token you used to initalize your app is stored in the `context` object
+      // The token you used to initialize your app is stored in the `context` object
       token: context.botToken,
       channel: message.channel.id,
       post_at: whenSeptemberEnds,
diff --git a/docs/_tutorials/getting_started.md b/docs/_tutorials/getting_started.md
index 7c6d1976a..f93e32f6d 100644
--- a/docs/_tutorials/getting_started.md
+++ b/docs/_tutorials/getting_started.md
@@ -99,7 +99,7 @@ Create a new file called `app.js` in this directory and add the following code:
 ```javascript
 const { App } = require('@slack/bolt');
 
-// Initalizes your app with your bot token and signing secret
+// Initializes your app with your bot token and signing secret
 const app = new App({
   token: process.env.SLACK_BOT_TOKEN,
   signingSecret: process.env.SLACK_SIGNING_SECRET
@@ -222,8 +222,8 @@ app.message('hello', ({ message, say }) => {
   // say() sends a message to the channel where the event was triggered
   say({
     blocks: [
-	    {
-		    "type": "section",
+    {
+	"type": "section",
         "text": {
           "type": "mrkdwn",
           "text": `Hey there <@${message.user}>!`
@@ -235,8 +235,8 @@ app.message('hello', ({ message, say }) => {
             "text": "Click Me"
           },
           "action_id": "button_click"
-		    }
-	    }
+        }
+     }
     ]
   });
 });
@@ -272,8 +272,8 @@ app.message('hello', ({ message, say }) => {
   // say() sends a message to the channel where the event was triggered
   say({
     blocks: [
-	    {
-		    "type": "section",
+    {
+        "type": "section",
         "text": {
           "type": "mrkdwn",
           "text": `Hey there <@{message.user}>!`
@@ -285,8 +285,8 @@ app.message('hello', ({ message, say }) => {
             "text": "Click Me"
           },
           "action_id": "button_click"
-		    }
-	    }
+	}
+     }
     ]
   });
 });