Fix typo and refer to correct person: xgrommx

21-Hello-World/05-Application-Structure/src/03-Free/02-Why-Use-the-Free-Monad/06-From-Expression-to-Free/Readme.md

@@ -43,7 +43,7 @@ fold    f = go where
     Impure t -> f (go <$> t)   -- Add
 ```
 
-| xgromxx's code | Our code |
+| xgrommx's code | Our code |
 | - | - |
 | `Free ExprF a`<br>or<br>`Expr` | `Expression (Coproduct Value ExprF) a`
 | `lit` | `value`

21-Hello-World/05-Application-Structure/src/03-Free/03-From-Free-to-Run/02-From-Coproduct-to-VariantF/11-Original-Gist.md

@@ -7,7 +7,7 @@ My code diverges from the original gist's code by
 
 The following table will help you understand the upcoming links to code:
 
-| Our Code | xgromxx's code |
+| Our Code | xgrommx's code |
 | - | - |
 | `newtype Expression f` | [`newtype Mu f`](https://pursuit.purescript.org/packages/purescript-fixed-points/5.1.0/docs/Data.Functor.Mu#t:Mu)
 | `Expression (VariantF t)` | `MuV t`

21-Hello-World/05-Application-Structure/src/03-Free/03-From-Free-to-Run/03-Explaining-Run/Readme.md

@@ -4,7 +4,7 @@ This folder will explain the basic idea of `purescript-run` and then solve the p
 
 ## What is `Run`?
 
-If you recall, `xgromxx` mentions [`purescript-run`](https://pursuit.purescript.org/packages/purescript-run/2.0.0) in [a comment in `ADT8.purs`](https://github.com/xgrommx/purescript-from-adt-to-eadt/blob/master/src/ADT8.purs#L11). (The ReadMe of this library provides an overview of the ideas we've explained here.)
+If you recall, `xgrommx` mentions [`purescript-run`](https://pursuit.purescript.org/packages/purescript-run/2.0.0) in [a comment in `ADT8.purs`](https://github.com/xgrommx/purescript-from-adt-to-eadt/blob/master/src/ADT8.purs#L11). (The ReadMe of this library provides an overview of the ideas we've explained here.)
 
 What is `purescript-run`? Why would we use that over `Free`? There are three reasons.