Improve wording as suggested by the WG

Author: Mike Kinsner

adoc/chapters/programming_interface.adoc

@@ -6114,7 +6114,7 @@ if set final data is [code]#nullptr)#.
 [[subsec:mutex]]
 === Synchronization primitives
 
-To prevent race conditions between accesses to the host allocation owned by a
+To prevent race conditions between accesses to the host memory owned by a
 [code]#buffer# in the <<sycl-runtime>> (e.g., by accessors) and in host code, it
 is necessary to use manual synchronization through a [code]#host_accessor#, or
 by passing a [code]#std::mutex# to the [code]#buffer# constructor through a