docs: fix typos and misspellings in descriptions (#530)

Author: szepeviktor

.github/maintainers_guide.md

@@ -26,7 +26,7 @@ Actions jobs that execute what are effectively integration tests for this GitHub
 
 Actions that run the integration tests on PRs from a fork will require approval before running.
 These checks use stored secrets so the changes should be reviewed before approving the workflow to
-avoid accidently leaking tokens!
+avoid accidentally leaking tokens!
 
 ### Releasing
 

action.yml

@@ -16,7 +16,7 @@ inputs:
     description: "Attributes that create the content of the request using JSON or YAML."
     required: false
   payload-delimiter:
-    description: "Field seperator for nested attributes in the input payload."
+    description: "Field separator for nested attributes in the input payload."
     required: false
   payload-file-path:
     description: "Path to a file containing a valid input payload made of JSON or YAML."

package.json

@@ -1,7 +1,7 @@
 {
   "name": "slack-github-action",
   "version": "2.1.1",
-  "description": "The official Slack Github Action. Use this to send data into your Slack workspace",
+  "description": "The official Slack GitHub Action. Use this to send data into your Slack workspace",
   "main": "dist/index.js",
   "type": "module",
   "scripts": {

src/config.js

@@ -44,7 +44,7 @@ export default class Config {
    * @property {boolean} errors - If the job should exit after errors or succeed.
    * @property {string?} method - The Slack API method to call.
    * @property {string?} payload - Request contents from the provided input.
-   * @property {string?} payloadDelimiter - Seperators of nested attributes.
+   * @property {string?} payloadDelimiter - Separators of nested attributes.
    * @property {string?} payloadFilePath - Location of a JSON request payload.
    * @property {boolean} payloadTemplated - If templated values are replaced.
    * @property {string?} proxy - An optional proxied connection for requests.