[array.cons] Fix various wording issues

Author: eisenwave

source/containers.tex

@@ -6334,12 +6334,11 @@
 \pnum
 \indextext{\idxcode{array}!initialization}%
 \indextext{requirements!container}%
-The conditions for an aggregate\iref{dcl.init.aggr} shall be
-met. Class \tcode{array} relies on the implicitly-declared special
+An \tcode{array} relies on the implicitly-declared special
 member functions\iref{class.default.ctor,class.dtor,class.copy.ctor} to
 conform to the container requirements table in~\ref{container.requirements}.
 In addition to the requirements specified in the container requirements table,
-the implicit move constructor and move assignment operator for \tcode{array}
+the implicitly-declared move constructor and move assignment operator for \tcode{array}
 require that \tcode{T} be \oldconcept{MoveConstructible} or \oldconcept{MoveAssignable},
 respectively.