Update source/utilities.tex

Co-authored-by: Johel Ernesto Guerrero Peña <[email protected]>

Author: jensmaurer

source/utilities.tex

@@ -641,7 +641,7 @@
     std::unreachable();
   }
 }
-int a = f(1);           // OK; a has value \tcode{1}
+int a = f(1);           // OK, \tcode{a} has value \tcode{1}
 int b = f(3);           // undefined behavior
 \end{codeblock}
 \end{example}