fix commas before closing parentheses

content/README.md

@@ -12,7 +12,7 @@ inside of itself.
 TOML metadata is defined by `Attributes` from the `treehouse` crate. 
 
 Djot on the other hand has support for generic attributes.
-Keys are not documented (read the generator if you want to know about them,) but generally `:`-prefixed keys are
+Keys are not documented (read the generator if you want to know about them), but generally `:`-prefixed keys are
 reserved for the treehouse's own purposes.
 
 You probably don't want to read the content if you're not me.

content/programming/blog/haku.tree

@@ -509,7 +509,7 @@ scripts = ["treehouse/vendor/codejar.js", "treehouse/components/literate-program
 
                 % id = "01J3K8A0D14VZTKBPJTG3BGD0M"
                 - there's also a performance boost from implementing it this way: _lazy_ parsing, as I like to call it, allows us to defer most of the parsing work until it's actually needed.
-                if the token never ends up being needed (e.g. due to a syntax error,) we don't end up doing extra work eagerly!
+                if the token never ends up being needed (e.g. due to a syntax error), we don't end up doing extra work eagerly!
 
                     % id = "01J3K8A0D1GYZ9Y9MK6K24JME7"
                     - if that doesn't convince you, consider that now all your tokens are the exact same data structure, and you can pack them neatly into a flat array.

content/programming/languages/javascript.tree

@@ -52,7 +52,7 @@ you already have it on your computer.
     - JavaScript being available on everyone's computers makes it a super-accessible programming language to learn: all you have to do is open your web browser and go to the console in its Developer Tools.
 
         % id = "01J2931RRH51K35C80Z2NHSVRW"
-        - moreso, if you are building a website and would like to embed a language interpreter (like me,) _you already have JavaScript for that._
+        - moreso, if you are building a website and would like to embed a language interpreter (like me), _you already have JavaScript for that._
 
             % id = "01J2931RRH65HHY6BQ7N0P9MX9"
             - yes, you could in theory embed [Lua][page:programming/languages/lua], but for most cases JavaScript is Already There and there is nothing wrong with it.

content/programming/technologies/unreal-engine/blueprint.tree

@@ -58,7 +58,7 @@
             + perhaps a bug I could fix one day?
 
     % id = "01H987QXFEYSE260S996BE84DV"
-    - from [Oskar Kogut](https://github.com/kretoskar): if you change a `BlueprintCallable` function to `const` (or otherwise make it pure,) the editor will automatically correct the `Exec` pin flow for you
+    - from [Oskar Kogut](https://github.com/kretoskar): if you change a `BlueprintCallable` function to `const` (or otherwise make it pure), the editor will automatically correct the `Exec` pin flow for you
 
 % id = "01H8Y0CKD1C5TJXXD40B99WQ3C"
 + the design of Blueprint the Language is pretty dated - it is still an imperative language and has a concept similar to statements (`Exec` pins), which breaks the entire idea of pure data
@@ -77,7 +77,7 @@ flow and introduces control flow into the mix
         + and `Select` is used to choose a value based on another value, kind of like a ternary in C++
 
             % id = "01H8Y0CKD156C0ZAXK7JS9W81D"
-            - however it is quite annoying because you can only switch on enums (and other stuff that has a finite set of values,) whereas with `Branch` you can use any `Bool` condition you want
+            - however it is quite annoying because you can only switch on enums (and other stuff that has a finite set of values), whereas with `Branch` you can use any `Bool` condition you want
 
             % id = "01H8Y0CKD1YP7Q3HVJJZNJAJKG"
             + this would be fine if not for the existence of Gameplay Tags, which precisely _do not_ have a finite set of values