CWG2892 Unclear usual arithmetic conversions

Author: burblebee

source/expressions.tex

@@ -1165,7 +1165,7 @@
 the following rules are applied:
 \begin{itemize}
 \item
-If both operands have the same type, no further conversion is needed.
+If both operands have the same type, no further conversion is performed.
 \item
 Otherwise, if one of the operands is of a non-floating-point type,
 that operand is converted to the type of