fixup: typos

Author: jensmaurer

source/declarations.tex

@@ -4511,7 +4511,7 @@
 of a class member access expression\iref{expr.ref},
 \item
 it is designated by an expression
-used to form a pointer to member\iref{expr.unary.op}.
+used to form a pointer to member\iref{expr.unary.op}, or
 \item
 it appears as the operand of
 a \grammarterm{reflect-expression}\iref{expr.reflect}.

source/expressions.tex

@@ -6732,7 +6732,7 @@
 then $R$ represents the class template named by the injected-class-name.
 \item
 Otherwise, the injected-class-name shall be unambiguous
-when considered as ae \grammarterm{type-name} and
+when considered as a \grammarterm{type-name} and
 $R$ represents the class template specialization so named.
 \end{itemize}
 \item
@@ -9120,7 +9120,7 @@
 it is an \grammarterm{id-expression} or \grammarterm{splice-expression}
 that designates an immediate function,
 \item
-it is immediate invocation that is not a constant expression, or
+it is an immediate invocation that is not a constant expression, or
 \item
 it is of consteval-only type\iref{basic.types.general}.
 \end{itemize}