Update nssa/src/merkle_tree/mod.rs

Co-authored-by: Sergio Chouhy <41742639+schouhy@users.noreply.github.com>

nssa/src/merkle_tree/mod.rs

@@ -57,7 +57,7 @@ impl MerkleTree {
     }
 
     pub fn with_capacity(capacity: usize) -> Self {
-        //adjust capacity to ensure power of two
+        // Adjust capacity to ensure power of two
         let capacity = capacity.next_power_of_two();
         let total_depth = capacity.trailing_zeros() as usize;