Update Contributions/Using_Linux_in_a_Safe_System.md

Co-authored-by: Paul Albertella <[email protected]>
Signed-off-by: Igor Stoppa <[email protected]>

Contributions/Using_Linux_in_a_Safe_System.md

@@ -155,7 +155,7 @@ ownership.
   Linux or other components.
 
   Placing safety requirements on a software component means that also the hardware
-  executing said software will be involved in supporting the associated safery claim.
+  executing said software will be involved in supporting the associated safety claim.
   Safety qualified hardware tends - unsurprisingly - to be more expensive, so
   it might be more cost effective to place safety requirements on a smaller, cheaper
   component, than on processor executing Linux.