Chore: docs grammar fix (#26894)

.github/CONTRIBUTING.md

@@ -18,10 +18,10 @@ __Note:__ If there's a feature you'd like, there's a bug you'd like to fix, or y
 
 ## Development Guidelines
 
-Check out our Handbook for the [Development Guidelines](https://handbook.rocket.chat/product/development/development-guidelines) on how to setup your enviroment, do code, test and push your code. There you find our patterns on how to compose your Pull Requests' titles to have your contribution accepted.
+Check out our Handbook for the [Development Guidelines](https://handbook.rocket.chat/product/development/development-guidelines) on how to set up your environment, do code, test and push your code. There you find our patterns on how to compose your Pull Requests' titles to have your contribution accepted.
 
 ## Contributor License Agreement
 
-To have your contribution accepted you must sign our [Contributor License Agreement](https://cla-assistant.io/RocketChat/Rocket.Chat). In case you submit a Pull Request before sign the CLA GitHub will alert you with a new comment asking you to sign and will block the Pull Request from be merged by us.
+To have your contribution accepted you must sign our [Contributor License Agreement](https://cla-assistant.io/RocketChat/Rocket.Chat). In case you submit a Pull Request before signing the CLA GitHub will alert you with a new comment asking you to sign and will block the Pull Request from being merged by us.
 
 Please review and sign our CLA at https://cla-assistant.io/RocketChat/Rocket.Chat

.github/ISSUE_TEMPLATE/release.md

@@ -42,7 +42,7 @@ When you find a bug that is a regression, please open a new issue and link it to
 - [ ] Check if the release Pull Request was created and contains the history
 - [ ] Ensure the **Pull Request** build is passing on [CircleCI](https://circleci.com/gh/RocketChat/Rocket.Chat)
 - [ ] When build is passing ask for Pull Request approval
-- [ ] When approved merge it!
+- [ ] When approved, merge it!
 - [ ] Ensure the **Tag** build is passing on [CircleCI](https://circleci.com/gh/RocketChat/Rocket.Chat)
 - [ ] Ensure the image was sent to [Docker Hub](https://hub.docker.com/r/rocketchat/rocket.chat/tags/)
 - [ ] After all edit the release/tag and publish it