[over.ics.user] Small grammatical nit-picks

Author: sdkrystian

source/overloading.tex

@@ -2478,13 +2478,13 @@
 conversion sequence.
 If the user-defined conversion is specified
 by a constructor\iref{class.conv.ctor}, the initial standard
-conversion sequence converts the source type to the type required
-by the argument of the constructor.
+conversion sequence converts the source type to the type of the
+first parameter of that constructor.
 If the user-defined
 conversion is specified by a conversion function\iref{class.conv.fct}, the
 initial standard conversion sequence
-converts the source type to the implicit object parameter of the
-conversion function.
+converts the source type to the type of the
+implicit object parameter of that conversion function.
 
 \pnum
 The second standard conversion sequence converts the result of