Update 1.21.md

Author: katarzyna-koltun-mx

content/en/docs/releasenotes/private-platform/1.21.md

@@ -54,7 +54,7 @@ We have updated Private Mendix Platform code to SP 10.18.5.
 * Studio Pro 9.24 LTS latest patch version updated to [9.24.34](/releasenotes/studio-pro/9.24/#92434) (production support)
 * Studio Pro 10.6 MTS latest patch version updated to [10.6.22](/releasenotes/studio-pro/10.6/#10621) (innovation track, limited support)
 * Studio Pro 10.12 MTS latest patch version updated to [10.12.16](/releasenotes/studio-pro/10.12/#101216) (innovation track, limited support)
-* Studio Pro 10.14 MTS support has been postponed due to incompatibility issues
+* Studio Pro 10.18 MTS support has been postponed due to incompatibility issues
 
 ##### Other Platform Components