[MINOR] Typo project key
diff --git a/_src/security.html b/_src/security.html
index f1e3377..9c53cb7 100644
--- a/_src/security.html
+++ b/_src/security.html
@@ -29,7 +29,7 @@
     The Apache Software Foundation takes a very active stance in eliminating security problems with its projects.
     If you have any security concerns regarding Apache SystemDS™, or believe you have uncovered a vulnerability or
     potential threat, contact the Apache Security Team at <a
-      href="mailto:security@apache.org?Subject=[SECURITY][SYSTEMML] My security issue">security@apache.org</a>.
+      href="mailto:security@apache.org?Subject=[SECURITY][SYSTEMDS] My security issue">security@apache.org</a>.
     Include a description of the issue and try to provide steps to reproduce the problem.
     The Apache SystemDS&trade; Community and the Apache Security Team take security issues very seriously and will
     respond.