diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d4d0c5980169..82956fd7f3c1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -191,7 +191,9 @@ Adobe Flash Professional CS6 is the most recent version to support both ActionSc
 
 ### Motion-Twin ActionScript 2 Compiler
 
-This is a free and open source command-line ActionScript 2 compiler. It can be downloaded from [here](http://tech.motion-twin.com/mtasc.html#download).
+This is a free and open source command-line ActionScript 2 compiler. It can be downloaded from [here](https://web.archive.org/web/20230315095249/http://tech.motion-twin.com/mtasc.html#download).
+
+Linux requires the `gcc-multilib` package.
 
 Create a `test.as` file in a text editor, per the following template:
 
diff --git a/README.md b/README.md
index 001cd8c21fce..c576e6ae1df2 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ If you have a collection of "real world" SWFs to test against, the scanner may b
 ruffle's parsing capabilities. Provided with a folder and an output filename, it will attempt to read
 all of the Flash files and report on the success of such a task.
 
-`cargo run --release --package=ruffle_scanner -- folder/with/swfs/ results.csv`
+`cargo run --release --package=ruffle_scanner -- scan folder/with/swfs/ results.csv`
 
 ### Exporter