Update v1.2.1.md

Replace HTLM with HTML

Author: vviau

releases/v1.2.1.md

@@ -24,7 +24,7 @@ number:
 * Arc does not search anymore for TM1 objects in previously connected servers. [#277](https://github.com/cubewise-code/arc-issues/issues/277)
 * Search menu feature is now more efficient. [#276](https://github.com/cubewise-code/arc-issues/issues/276)
 * An error message will now appear when trying to delete a subset being used by a view. [#272](https://github.com/cubewise-code/arc-issues/issues/272)
-* String data input in control cubes was saved as HTLM code. [#270](https://github.com/cubewise-code/arc-issues/issues/270)
+* String data input in control cubes was saved as HTML code. [#270](https://github.com/cubewise-code/arc-issues/issues/270)
 * Search box in subset editor has been fixed. [#269](https://github.com/cubewise-code/arc-issues/issues/269)
 * When closing a TI without changing anything a save prompt will not pop up anymore. [#264](https://github.com/cubewise-code/arc-issues/issues/264)
 * Cloning a security group was not working as expected. [#244](https://github.com/cubewise-code/arc-issues/issues/244)