Update rfcs/proposed/task_group_dynamic_dependencies/README.md

Co-authored-by: Alexandra <[email protected]>

rfcs/proposed/task_group_dynamic_dependencies/README.md

@@ -5,7 +5,7 @@
 In 2021, with the trasition from TBB 2020 to the first release of oneTBB, 
 the lowest-level tasking interface changed significantly and was no longer 
 promoted as a user-facing feature. Instead, we encouraged
-to use the `task_group` or the flow graph APIs to express patterns that were 
+to use the `task_group` or the flow graph APIs to express patterns 
 previously expressed using with the lowest level tasking API. And for most 
 cases, this has been sufficient. However, there is one use case which is not 
 straightforward to express by the revised API: Dynamic task graphs which are