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Co-authored-by: John Pennycook <john.pennycook@intel.com>

sycl/doc/extensions/proposed/sycl_ext_oneapi_root_group.asciidoc

@@ -364,7 +364,7 @@ _Returns_: An `id` representing the index of the current sub-group within the
 template <execution_scope Scope>
 size_t get_linear_id() const;
 ----
-_Constraints_: `Scope` must be of a lower hierarchy than
+_Constraints_: `Scope` must be narrower than
 `execution_scope::root_group`.
 
 _Returns_: A linearized number of the current work-group or work-item at `Scope` hierarchy
@@ -395,7 +395,7 @@ object.
 template <execution_scope Scope>
 size_t get_linear_range() const;
 ----
-_Constraints_: `Scope` must be of a lower hierarchy than
+_Constraints_: `Scope` must be narrower than
 `execution_scope::root_group`.
 
 _Returns_: The number of work-groups or work-items of `Scope` hierarchy level within the