Remove the version number entirely so we can stop updating it

rust-lang · Jul 27, 2020 · 493f717 · 493f717
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commit 493f717
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -23,7 +23,7 @@ See the [releases] to download just the code of all the code listings that appea
 
 ## Requirements
 
-Building the book requires [mdBook], ideally the same 0.4.x version that
+Building the book requires [mdBook], ideally the same version that
 rust-lang/rust uses in [this file][rust-mdbook]. To get it:
 
 [mdBook]: https://github.com/rust-lang-nursery/mdBook