diff --git a/FreePackages/Data/ASFInfo.cs b/FreePackages/Data/ASFInfo.cs
index b2d5678..cd0a4f2 100644
--- a/FreePackages/Data/ASFInfo.cs
+++ b/FreePackages/Data/ASFInfo.cs
@@ -16,6 +16,7 @@
 namespace FreePackages {
 	internal static class ASFInfo {
 		private static Uri Source = new("https://gist.githubusercontent.com/C4illin/e8c5cf365d816f2640242bf01d8d3675/raw/Steam%2520Codes");
+		private static readonly Regex SourceLine = new Regex("(?<type>[as])/(?<id>[0-9]+)", RegexOptions.CultureInvariant | RegexOptions.IgnoreCase); // Match examples: a/12345 or s/12345
 		private static TimeSpan UpdateFrequency = TimeSpan.FromHours(1);
 
 		private static Timer UpdateTimer = new(async e => await DoUpdate().ConfigureAwait(false), null, Timeout.Infinite, Timeout.Infinite);
@@ -61,8 +62,7 @@ private static async Task DoUpdate() {
 						continue;
 					}
 
-					// Match examples: a/12345 or s/12345
-					Match item = Regex.Match(line, "(?<type>[as])/(?<id>[0-9]+)");
+					Match item = SourceLine.Match(line);
 
 					if (!item.Success) {
 						ASF.ArchiLogger.LogGenericError(String.Format("{0}: {1}", Strings.ASFInfoParseFailed, line));
diff --git a/FreePackagesImporter/README.md b/FreePackagesImporter/README.md
index 30dbff9..8160a8d 100644
--- a/FreePackagesImporter/README.md
+++ b/FreePackagesImporter/README.md
@@ -4,7 +4,7 @@ This userscript lets you transfer packages from SteamDB's [free packages tool](h
 
 ## Installation
 
-1. Install a userscript manager like [Tampermonkey](https://www.tampermonkey.net/), [Greasemonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/), or [Violentmonkey](https://violentmonkey.github.io/)
+1. Install a userscript manager like [Tampermonkey](https://www.tampermonkey.net/)
 2. Go [here](https://raw.githubusercontent.com/Citrinate/FreePackages/main/FreePackagesImporter/code.user.js) and click "Install"
 3. Make sure that you have:
     - ArchiSteamFarm with [IPC](https://github.com/JustArchiNET/ArchiSteamFarm/wiki/IPC) enabled (which is the default)