Fix typos and grammar issues

app/flatpages/help/copyright.md

@@ -24,7 +24,7 @@ licenses, although you should actually read the text as well.
 
 If you use code from other sources (such as mods or games), you'll need to make sure you follow
 their license. A common one is attribution, you should do this by adding a comment next to the
-code and crediting the author in your README / LICENSE file.
+code and crediting the author in your LICENSE file.
 
 It's sometimes fine to copy trivial/small amounts of code under fair use, but this
 is a bit of a grey area. It's better to understand the solution and rewrite it yourself.
@@ -74,7 +74,7 @@ Your Name, CC BY-SA 4.0:
 * [OpenGameArt](https://opengameart.org/) - everything
 * [Kenney game assets](https://www.kenney.nl/assets) - everything
 * [Free Sound](https://freesound.org/) - sounds
-* [PolyHaven](https://polyhaven.com/) - 3d models and textures. 
+* [PolyHaven](https://polyhaven.com/) - 3d models and textures.
 * Other Minetest mods/games
 
     Don't assume the author has correctly licensed their work.
@@ -87,7 +87,7 @@ Your Name, CC BY-SA 4.0:
 ### I made it myself, using X as a guide
 
 Copying by hand is still copying, the law doesn't distinguish this from copy+paste.
-Make your own art without copying colors or patterns from existing games/art. 
+Make your own art without copying colors or patterns from existing games/art.
 
 If you need a good set of colors, see [LOSPEC](https://lospec.com/palette-list).
 

app/flatpages/help/editors.md

@@ -36,7 +36,7 @@ interface, and can be configured separately in Emails and Notifications.
 
 ## Crash Course to being an Editor
 
-The [Package Inclusion Policy and Guidance](/policy_and_guidance/) is our go to resource for making decisions in 
+The [Package Inclusion Policy and Guidance](/policy_and_guidance/) is our go-to resource for making decisions in 
 changes needed, similar to how lua_api.txt is the doc for modders to consult.
 
 In the [Editor console](/todo/), the two most important tabs are the Editor Work Queue and the Forum 
@@ -50,7 +50,7 @@ A simplified process for reviewing a package is as follows:
 1. scan the package image if present for any obvious closed source assets.
 2. if right to a name warning is present, check its validity and if the package meets 
    the exceptions.
-3. if the forums topic missing warning is present, feel free to check it, but its 
+3. if the forums topic missing warning is present, feel free to check it, but it's 
    usually incorrect.
 4. check source, etc links to make sure they work and are correct.
 5. verify that the package has license file that matches what is on the contentdb fields

app/flatpages/help/faq.md

@@ -12,7 +12,7 @@ be done using a GitHub account or a random string in your forum account signatur
 
 If you don't, then you can just sign up using an email address and password.
 
-GitHub can only be used to login, not to register.
+GitHub can only be used to log in, not to register.
 
 <a class="btn btn-primary" href="/user/claim/">Register</a>
 

app/flatpages/help/game_support.md

@@ -24,7 +24,7 @@ Both of these are comma-separated lists of game technical ids. Any `_game` suffi
     supported_games = minetest_game, repixture
     unsupported_games = lordofthetest, nodecore, whynot
 
-If your package supports all games by default, you can put "*` in supported_games.
+If your package supports all games by default, you can put "*" in supported_games.
 You can still use unsupported_games to mark games as unsupported.
 You can also specify games that you've tested in supported_games.
 

app/flatpages/help/non_free.md

@@ -55,7 +55,7 @@ Here's a quick summary related to Minetest content:
 Non-free packages are hidden in the client by default, partly in order to comply
 with the rules of various Linux distributions.
 
-Users can opt-in to showing non-free software, if they wish:
+Users can opt in to showing non-free software, if they wish:
 
 1. In the main menu, go to Settings > All settings
 2. Search for "ContentDB Flag Blacklist".

app/flatpages/help/ranks_permissions.md

@@ -2,8 +2,8 @@ title: Ranks and Permissions
 
 ## Overview
 
-* **New Members** - mostly untrusted, cannot change package meta data or publish releases without approval.
-* **Members** - Trusted to change the meta data of their own packages', but cannot approve their own packages.
+* **New Members** - mostly untrusted, cannot change package metadata or publish releases without approval.
+* **Members** - Trusted to change the metadata of their own packages', but cannot approve their own packages.
 * **Trusted Members** - Same as above, but can approve their own releases.
 * **Approvers** - Responsible for approving new packages, screenshots, and releases.
 * **Editors** - Same as above, and can edit any package or release.

app/flatpages/help/release_webhooks.md

@@ -6,7 +6,7 @@ A webhook is a notification from one service to another. Put simply, a webhook
 is used to notify ContentDB that the git repository has changed.
 
 ContentDB offers the ability to automatically create releases using webhooks
-from either Github or Gitlab. If you're not using either of those services,
+from either GitHub or GitLab. If you're not using either of those services,
 you can also use the [API](../api) to create releases.
 
 ContentDB also offers the ability to poll a Git repo and check for updates

app/flatpages/policy_and_guidance.md

@@ -131,7 +131,7 @@ Public domain is not a valid license in many countries, please use CC0 or MIT in
 
 ## 5. Promotions and Advertisements (inc. asking for donations)
 
-You may not place any promotions or advertisements in any meta data including
+You may not place any promotions or advertisements in any metadata including
 screenshots. This includes asking for donations, promoting online shops,
 or linking to personal websites and social media. Please instead use the
 fields provided on your user profile page to place links to websites and