Fix wording to be consistent with previously applied suggestion

adoc/chapters/programming_interface.adoc

@@ -6116,8 +6116,8 @@ if set final data is [code]#nullptr)#.
 
 To prevent race conditions between accesses to the host allocation owned by a [code]#buffer# in the
 <<sycl-runtime>> (e.g., by accessors) and in host code, it is necesssary
-to use manual synchronization without using a [code]#host_accessor#, a
-[code]#std::mutex# can be passed to the [code]#buffer# constructor through a
+to use manual synchronization though a [code]#host_accessor#, or by 
+passing a [code]#std::mutex# to the [code]#buffer# constructor through a
 [code]#property#.
 
 The SYCL runtime is required to lock the mutex whenever the data is in use by the runtime, and unlock