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doc: fix phrasing and whitespace (#6520)

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@ -12,8 +12,8 @@ and by the end of it you will have pretty much learned the entire language.
The language promotes writing simple and clear code with minimal abstraction.
Despite being simple, V gives the developer a lot of power. Anything you can do in other languages,
you can do in V.
Despite being simple, V gives the developer a lot of power.
Anything you can do in other languages, you can do in V.
## Table of Contents
@ -105,32 +105,32 @@ fn main() {
println('hello world')
}
```
Save that snippet into a file `hello.v` . Now do: `v run hello.v` .
Save this snippet into a file named `hello.v`. Now do: `v run hello.v`.
> That is assuming you have symlinked your V with `v symlink`, as described
[here](https://github.com/vlang/v/blob/master/README.md#symlinking).
If you have not yet, you have to type the path to V manually.
If you haven't yet, you have to type the path to V manually.
Congratulations - you just wrote your first V program, and executed it!
Congratulations - you just wrote and executed your first V program!
> You can compile a program without execution with `v hello.v`.
You can compile a program without execution with `v hello.v`.
See `v help` for all supported commands.
In the above example, you can see that functions are declared with `fn`.
The return type goes after the function name. In this case `main` doesn't
return anything, so the return type can be omitted.
From the example above, you can see that functions are declared with the `fn` keyword.
The return type is specified after the function name.
In this case `main` doesn't return anything, so the return type can be omitted.
As in many other languages (such as C, Go and Rust), `main` is an entry point.
As in many other languages (such as C, Go and Rust), `main` is the entry point of your program.
`println` is one of the few built-in functions. It prints the value passed to it
to standard output.
`println` is one of the few built-in functions.
It prints the value passed to it to standard output.
`fn main()` declaration can be skipped in one file programs.
This is useful when writing small programs, "scripts", or just learning
the language. For brevity, `fn main()` will be skipped in this
tutorial.
This is useful when writing small programs, "scripts", or just learning the language.
For brevity, `fn main()` will be skipped in this tutorial.
This means that a "hello world" program can be as simple as
This means that a "hello world" program in V is as simple as
```v
println('hello world')