Fix minor typos (#6641)

COMMUNITY-ROLES.md

@@ -78,7 +78,7 @@ exceptions can always be considered, via open community discussion.)
 
 ## How to change roles
 
-*Note: this section is aimed at owners in the tldr-pages organization
+*Note: This section is aimed at owners in the tldr-pages organization
 (i.e. the group of people who are able to perform these changes).*
 
 If you notice a contributor being particularly active,

contributing-guides/git-terminal.md

@@ -22,7 +22,7 @@ The overall process should look somewhat like this:
 6. Push the commit(s) to your fork:
   `git push origin {{branch_name}}`
 
-7. Go to the GitHub page for your fork and click the green "pull request" button.
+7. Go to the GitHub page for your fork and click the green "Compare & pull request" button.
 
 Please only send related changes in the same pull request.
 Typically a pull request will include changes in a single file.

contributing-guides/maintainers-guide.md

@@ -47,7 +47,7 @@ as a guideline for current and future maintainers.
 
 - Try to **keep the entire contribution process web-based**, if possible,
   to ensure it is accessible and straightforward.
-  If you're comfortable with git, consider offering to perform
+  If you're comfortable with Git, consider offering to perform
   interactive rebases or other command-line operations
   on behalf of contributors,
   or assisting them if they want to do it themselves.