[conv.general] Fix index redirect for contextual conversion to bool.

Author: Eelis

source/expressions.tex

@@ -483,7 +483,7 @@
 \rSec2[conv.general]{General}
 
 \indextext{implicit conversion|see{conversion, implicit}}
-\indextext{contextually converted to bool|see{conversion, contextual}}
+\indextext{contextually converted to \tcode{bool}|see{conversion, contextual to \tcode{bool}}}
 \indextext{rvalue!lvalue conversion to|see{conversion, lvalue-to-rvalue}}%
 
 \pnum