Fix misspelled words in documents

Author: seratch

docs/guides/app-home.md

@@ -12,7 +12,7 @@ An [App Home](https://api.slack.com/surfaces/tabs/events) is a private, one-to-o
 
 To enable Home tabs, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, go to **Features** > **App Home** on the left pane, and then turn on **Home Tab**.
 
-To enable Events API, go to **Features** > **Event Subscriptions** on the left pain. There are a few things to do on the page.
+To enable Events API, go to **Features** > **Event Subscriptions** on the left pane. There are a few things to do on the page.
 
 * Turn on **Enable Events**
 * Set the **Request URL** to `https://{your app's public URL domain}/slack/events`

docs/guides/events-api.md

@@ -10,7 +10,7 @@ The [Events API](https://api.slack.com/events-api) is a streamlined, easy way to
 
 ### Slack App Configuration
 
-To enable Events API, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Event Subscriptions** on the left pain. There are a few things to do on the page.
+To enable Events API, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Event Subscriptions** on the left pane. There are a few things to do on the page.
 
 * Turn on **Enable Events**
 * Set the **Request URL** to `https://{your app's public URL domain}/slack/events`

docs/guides/getting-started-with-bolt.md

@@ -154,7 +154,7 @@ The default constructor expects the following two env variables exist when start
 
 |Env Variable|Description|
 |-|-|
-|**SLACK_BOT_TOKEN**|The valid bot token value starting with `xoxb-` in your development workspace. To issue a bot token, you need to install your Slack App that has a bot user to your development workspace. Visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Settings** > **Install App** on the left pain. <br/><br/> If you run an app that is installable for multiple workspaces, no need to specify this. Consult [App Distribution (OAuth)]({{ site.url | append: site.baseurl }}/guides/app-distribution) for further information instead.|
+|**SLACK_BOT_TOKEN**|The valid bot token value starting with `xoxb-` in your development workspace. To issue a bot token, you need to install your Slack App that has a bot user to your development workspace. Visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Settings** > **Install App** on the left pane. <br/><br/> If you run an app that is installable for multiple workspaces, no need to specify this. Consult [App Distribution (OAuth)]({{ site.url | append: site.baseurl }}/guides/app-distribution) for further information instead.|
 |**SLACK_SIGNING_SECRET**|The secret value shared only with the Slack Platform. It is used for verifying incoming requests from Slack. Request verification is crucial for security as Slack apps have internet-facing endpoints. To know the value, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, go to **Settings** > **Basic Information** on the left pane, and find **App Credentials** > **Signing Secret** on the page. Refer to [the document](https://api.slack.com/docs/verifying-requests-from-slack) for further information.|
 
 If you prefer configuring an **App** in a different way, write some code to initialize **AppConfig** on your own.

docs/guides/interactive-components.md

@@ -12,7 +12,7 @@ Reading [Composing Messages]({{ site.url | append: site.baseurl }}/guides/compos
 
 ### Slack App Configuration
 
-To enable Interactive Components, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pain. There are three things to do on the page.
+To enable Interactive Components, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pane. There are three things to do on the page.
 
 * Turn on the feature
 * Set the **Request URL** to `https://{your app's public URL domain}/slack/events`

docs/guides/modals.md

@@ -10,7 +10,7 @@ lang: en
 
 ### Slack App Configuration
 
-The first step to use modals in your app is to enable Interactive Components. Visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pain. There are three things to do on the page.
+The first step to use modals in your app is to enable Interactive Components. Visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pane. There are three things to do on the page.
 
 * Turn on the feature
 * Set the **Request URL** to `https://{your app's public URL domain}/slack/events`

docs/guides/shortcuts.md

@@ -14,7 +14,7 @@ Your app has 3 seconds to call `ack()`, which acknowledges a shortcut request is
 
 ### Slack App Configuration
 
-To enable shortcuts, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pain. There are four things to do on the page.
+To enable shortcuts, visit the [Slack App configuration page](http://api.slack.com/apps), choose the app you're working on, and go to **Features** > **Interactive Components** on the left pane. There are four things to do on the page.
 
 * Turn on the feature
 * Set the **Request URL** to `https://{your app's public URL domain}/slack/events`