diff --git a/index.js b/index.js
index 95376145..7335092c 100644
--- a/index.js
+++ b/index.js
@@ -89,6 +89,7 @@ const plugins = [
     remarkLintProhibitedStrings,
     [
       { yes: "End-of-Life" },
+      { no: "filesystem", yes: "file system" },
       { yes: "GitHub" },
       { no: "hostname", yes: "host name" },
       { yes: "JavaScript" },