diff --git a/doc.zih.tu-dresden.de/util/check-links.sh b/doc.zih.tu-dresden.de/util/check-links.sh
index 5970380468a1a0bbb5ea9f76dd5734d873b24eeb..f648ddf165762906ef696aa590740f8f149fefa2 100755
--- a/doc.zih.tu-dresden.de/util/check-links.sh
+++ b/doc.zih.tu-dresden.de/util/check-links.sh
@@ -36,7 +36,7 @@ usage: $0 [file | -a | -c]
 Options:
   <file>          Check links in the provided markdown file
   -a; --all       Check links in all markdown files
-  -i; --interal   Check links in all markdown files (internal links only)
+  -i; --internal   Check links in all markdown files (internal links only)
   -c; --changed   Check links in all git-changed files
 EOF
 }