Update rust version requirement description

fornwall · fornwall · commit 31b411f0c2c6 · 2020-11-26T10:37:39.000+01:00
diff --git a/docs/README.md b/docs/README.md
@@ -33,7 +33,7 @@ Install or update `rust-script` using Cargo:
 cargo install rust-script
 ```
 
-The latest stable version of Rust (1.47) is required.
+Rust 1.47 or later is required.
 
 ## Scripts
 
