[basic.compound] Improve readability of sentence

source/basic.tex

@@ -5496,10 +5496,10 @@
 \end{note}
 For purposes of pointer arithmetic\iref{expr.add}
 and comparison\iref{expr.rel,expr.eq},
-a pointer past the end of the last element of
+a pointer past the end of
 an array \tcode{x} of $n$ elements
 is considered to be equivalent to
-a pointer to a hypothetical array element $n$ of \tcode{x} and
+a pointer to a hypothetical array element $n$ of \tcode{x}, and
 an object of type \tcode{T} that is not an array element
 is considered to belong to an array with one element of type \tcode{T}.
 The value representation of