Fix minor typos

Author: noamsauerutley

universal/test/file_system/work_with_files.gleam

@@ -17,7 +17,7 @@ import gleam/string
 import simplifile
 
 pub fn main_test() {
-  // The `delete_all` can be used to delete multiple files or directories.
+  // The `delete_all` function can be used to delete multiple files or directories.
   // We are using it first here to reset the tmp directory to a known state.
   let assert Ok(_) = simplifile.delete_all(["tmp"])
 

universal/test/formats/rendering_csv.gleam

@@ -1,6 +1,6 @@
 //// # Rendering CSV
 //// 
-//// The gsv package can be used to parser and render CSV on all targets.
+//// The gsv package can be used to parse and render CSV on all targets.
 ////
 //// ## Dependencies
 ////

universal/test/formats/rendering_html.gleam

@@ -15,7 +15,7 @@ import lustre/element/html
 
 pub fn main_test() {
   // Lustre provides functions for HTML elements and attributes that can be used
-  // to construct a HTML document.
+  // to construct an HTML document.
   //
   let document =
     html.html([], [