updated link for pandoc blog post

Author: learnbyexample

README.md

@@ -28,7 +28,7 @@ See [Version_changes.md](./Version_changes.md) to keep track of changes made to
 
 For a preview of the book, see [sample chapters](./sample_chapters/gnu_grep_sample.pdf).
 
-The book can also be [viewed as a single markdown file in this repo](./gnu_grep.md). See my blogpost on [generating pdfs from markdown using pandoc](https://learnbyexample.github.io/tutorial/ebook-generation/customizing-pandoc/) if you are interested in the ebook creation process.
+The book can also be [viewed as a single markdown file in this repo](./gnu_grep.md). See my blogpost on [generating pdfs from markdown using pandoc](https://learnbyexample.github.io/customizing-pandoc/) if you are interested in the ebook creation process.
 
 For the web version of the book, visit https://learnbyexample.github.io/learn_gnugrep_ripgrep/