Correct spelling on index.md and readme.md (#1184)

Co-authored-by: Kuth <[email protected]>

README.md

@@ -104,7 +104,7 @@ This library relies on community interactions. Please consider sharing a post ab
 ## Documentation
 
 - [Documentation Home](https://py-pdf.github.io/fpdf2/)
-- Tutorial in several languages: [English](https://py-pdf.github.io/fpdf2/Tutorial.html) - [Deutsch](https://py-pdf.github.io/fpdf2/Tutorial-de.html) - [español](https://py-pdf.github.io/fpdf2/Tutorial-es.html) - [हिंदी](https://py-pdf.github.io/fpdf2/Tutorial-hi.html) - [português](https://py-pdf.github.io/fpdf2/Tutorial-pt.html) - [Русский](https://py-pdf.github.io/fpdf2/Tutorial-ru.html) - [Italian](https://py-pdf.github.io/fpdf2/Tutorial-it.html) - [français](https://py-pdf.github.io/fpdf2/Tutorial-fr.html) - [Ελληνικά](https://py-pdf.github.io/fpdf2/Tutorial-gr.html) - [עברית](https://py-pdf.github.io/fpdf2/Tutorial-he.html) - [简体中文](https://py-pdf.github.io/fpdf2/Tutorial-zh.html) - [বাংলা](https://py-pdf.github.io/fpdf2/Tutorial-bn.html) - [ភាសខ្មែរ](https://py-pdf.github.io/fpdf2/Tutorial-km.md) - [日本語](https://py-pdf.github.io/fpdf2/Tutorial-ja.html) - [Dutch](https://py-pdf.github.io/fpdf2/Tutorial-nl.html) - [Polski](https://py-pdf.github.io/fpdf2/Tutorial-pl.html)
+- Tutorial in several languages: [English](https://py-pdf.github.io/fpdf2/Tutorial.html) - [Deutsch](https://py-pdf.github.io/fpdf2/Tutorial-de.html) - [español](https://py-pdf.github.io/fpdf2/Tutorial-es.html) - [हिंदी](https://py-pdf.github.io/fpdf2/Tutorial-hi.html) - [português](https://py-pdf.github.io/fpdf2/Tutorial-pt.html) - [Русский](https://py-pdf.github.io/fpdf2/Tutorial-ru.html) - [Italian](https://py-pdf.github.io/fpdf2/Tutorial-it.html) - [français](https://py-pdf.github.io/fpdf2/Tutorial-fr.html) - [Ελληνικά](https://py-pdf.github.io/fpdf2/Tutorial-gr.html) - [עברית](https://py-pdf.github.io/fpdf2/Tutorial-he.html) - [简体中文](https://py-pdf.github.io/fpdf2/Tutorial-zh.html) - [বাংলা](https://py-pdf.github.io/fpdf2/Tutorial-bn.html) - [ភាសាខ្មែរ](https://py-pdf.github.io/fpdf2/Tutorial-km.md) - [日本語](https://py-pdf.github.io/fpdf2/Tutorial-ja.html) - [Dutch](https://py-pdf.github.io/fpdf2/Tutorial-nl.html) - [Polski](https://py-pdf.github.io/fpdf2/Tutorial-pl.html)
 - Release notes: [CHANGELOG.md](https://github.com/py-pdf/fpdf2/blob/master/CHANGELOG.md) 
 - A series of blog posts: [fpdf2 tag @ ludochaordic](https://chezsoi.org/lucas/blog/tag/fpdf2.html)
 

docs/index.md

@@ -61,7 +61,7 @@ Go try it **now** online in a Jupyter notebook: [![Open In Colab](https://colab.
 * [עברית](Tutorial-he.md)
 * [简体中文](Tutorial-zh.md)
 * [বাংলা](Tutorial-bn.md)
-* [ភាសខ្មែរ](Tutorial-km.md)
+* [ភាសាខ្មែរ](Tutorial-km.md)
 * [日本語](Tutorial-ja.md)
 * [Dutch](Tutorial-nl.md)
 * [Polski](Tutorial-pl.md)