docs: update typos and errors

Author: henryhale

docs/about/history.md

@@ -5,14 +5,14 @@ The story behind the development of this project.
 ## Story
 
 Earlier on, I had released [viteshell v0.6.0](https://github.com/henryhale/viteshell).
-It is a minimal bask-like shell implementation written in TypeScript. 
+It is a minimal bash-like shell implementation written in TypeScript. 
 During it's development, I learnt how to build a small custom parser for parsing user input into an abstract syntax tree
 that eventually made the implementation possible.
 
 On the morning of *30th December 2023*, I was browsing the internet when I landed on an awesome [youtube video](https://www.youtube.com/watch?v=8VB5TY1sIRo)
 describing how to create a programming language from scratch using TypeScript.
-Watch this youtube video inspired me into thinking, *"What I created an simple custom scripting language that would solve Mathematics problems?".*
+Watching this youtube video inspired me into thinking, *"What I created an simple custom scripting language that would solve Mathematics problems?".*
 
 My initial idea of this language was that plain and simple. On *4th January 2024*, I made the first working version from which I continued to fix several logical bugs as well as adding several features like builtin functions. 
 
-*5th January 2024* is launch day :tada:
+*5th January 2024* was launch day :tada:

docs/guide/programs.md

@@ -50,6 +50,6 @@ m
 const result = evaluate(script);
 
 console.log(result);
-// Output: { value: 2, scope: { variables: { x1: 1, y1: 1, x2: 3, y2: 5, m: 2 } } }
+// Output: { value: 2.8, scope: { variables: { x1: 1, y1: 1, x2: 3, y2: 5, m: 2 } } }
 ```
 :::