[meta.reflection.define.aggregate] Fix typos

Author: Andreas-Krug

source/meta.tex

@@ -6378,7 +6378,7 @@
 \tcode{meta::exception} unless the following conditions are met:
 \begin{itemize}
 \item
-  \tcode{dealias(type)} represents eitehr an object type or a reference type;
+  \tcode{dealias(type)} represents either an object type or a reference type;
 \item
   if \tcode{options.name} contains a value, then:
   \begin{itemize}
@@ -6515,7 +6515,7 @@
     If $N_K$ is $\perp$,
     $M_K$ is an unnamed bit-field.
     Otherwise, $M_K$ is a non-static data member whose name is the identifier
-    determined by the character seqeunce encoed by $N_K$ in UTF-8.
+    determined by the character sequence encoed by $N_K$ in UTF-8.
   \item
     The type of $M_K$ is $T_K$.
   \item