Apply suggestions from AI code review: typos

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src/libxrpl/basics/Number.cpp

@@ -449,7 +449,7 @@ Number::Guard::pushOverflow(T mantissa)
             return;
         }
 
-        // The second step scales the final digit of the update mantissa proportionally, converting
+        // The second step scales the final digit of the updated mantissa proportionally, converting
         // from (kMaxRep, kMaxRepUp) to (0 to 9]. It then pushes that scaled digit onto the guard as
         // if it was a digit that got removed, but doesn't actually remove it. This method should be
         // future-proof in case the number of mantissa bits ever changes. (Though for integer values

src/test/basics/Number_test.cpp

@@ -1531,7 +1531,7 @@ public:
                 {
                     case MantissaRange::MantissaScale::Large330:
                         // Rounding to nearest, since the mantissa is below the halfway point from
-                        // kMaxRep to kMaxRep up, it will be rounded down to kMaxRep
+                        // kMaxRep to kMaxRepUp, it will be rounded down to kMaxRep
                         test(
                             Number{std::numeric_limits<std::int64_t>::max(), 0} + 1,
                             "9223372036854775807",