clarify query for CL_SVM_INFO_PROPERTIES_KHR returns an array

Author: bashbaug

extensions/cl_khr_unified_svm.asciidoc

@@ -652,7 +652,7 @@ Otherwise, it will return one of the following error values:
         Returns `0` if _ptr_ does not point into an SVM allocation returned from {clSVMAllocWithPropertiesKHR} or {clSVMAlloc} for _context_.
 
 | {CL_SVM_INFO_PROPERTIES_KHR}
-  | {cl_svm_alloc_properties_khr_TYPE}
+  | {cl_svm_alloc_properties_khr_TYPE}[]
       | Returns the properties argument specified in {clSVMAllocWithPropertiesKHR} when _ptr_ was allocated.
 
         If the properties argument specified in {clSVMAllocWithPropertiesKHR} was not `NULL`, the implementation must return the values specified in the properties argument in the same order and without including additional properties.