tweak

docs/proposal-group-trigger.md

@@ -27,8 +27,8 @@ sub-graph in Cylc 8 very easy.
 
 ## Implementation
 
-For the selected group of tasks, examine all prerequisites to find any that
-point outside of the group. Satsifying these external prerequisites will:
+For the group of tasks, examine all prerequisites to find and satisfy any that
+point outside of the group, to:
 - immediately trigger the "initial tasks" of the group, and
 - satisfy any off-flow prerequisites that would cause a stall