Add quotes around loc and scale

Author: 14NGiestas

doc/specs/stdlib_stats_distribution_normal.md

@@ -30,7 +30,7 @@ Note: the algorithm used for generating normal random variates is fundamentally
 
 ### Class
 
-Elemental function (passing both loc and scale).
+Elemental function (passing both `loc` and `scale`).
 
 ### Arguments