diff --git a/_fc-versions/scandium.md b/_fc-versions/scandium.md
index 7bdcdf6022e61acc68e59f02ea64f8e1a6a54ba9..7b3124ca39f2b0ae8e8032eaf4dd7dd718ef7559 100755
--- a/_fc-versions/scandium.md
+++ b/_fc-versions/scandium.md
@@ -14,7 +14,7 @@ releases:
       - name: User manual
         link: /download/user-manual-21.1-Scandium.pdf
       - name: Plugin-In development guide
-        link: /download/plugin-development-guide-21.1-Calcium.pdf
+        link: /download/plugin-development-guide-21.1-Scandium.pdf
         help: Hello plug-in tutorial archive
         help_link: /download/hello-21.1-Scandium.tar.gz
       - name: API Documentation