[class.eq] Fix the return value of a defaulted == operator function

Author: poyaoc97

source/classes.tex

@@ -6541,8 +6541,8 @@
 until the first index $i$
 where $\tcode{x}_i\tcode{ == }\tcode{y}_i$ yields a result value which,
 when contextually converted to \tcode{bool}, yields \tcode{false}.
-The return value is \tcode{true} if such an index exists
-and \tcode{false} otherwise.
+The return value is \tcode{false} if such an index exists
+and \tcode{true} otherwise.
 
 \pnum
 \begin{example}