Update pgrx/src/datum/array.rs

Co-authored-by: Jubilee <workingjubilee@gmail.com>

Author: mhov

pgrx/src/datum/array.rs

@@ -1349,7 +1349,7 @@ where
     }
 }
 
-/// This trait allows for arrays of certain numeric types to use Array<T>'s single allocation strategy
+/// This trait allows for arrays of certain numeric types to use `Array<T>`'s single allocation strategy
 pub trait ArrayFastAllocSubType: Sized + UnboxDatum + IntoDatum {}
 
 // for char