chore: Fix some typos in comments (#6040)

include/xrpl/basics/SlabAllocator.h

@@ -159,7 +159,7 @@ public:
         @param count the number of items the slab allocator can allocate; note
                      that a count of 0 is valid and means that the allocator
                      is, effectively, disabled. This can be very useful in some
-                     contexts (e.g. when mimimal memory usage is needed) and
+                     contexts (e.g. when minimal memory usage is needed) and
                      allows for graceful failure.
      */
     constexpr explicit SlabAllocator(

include/xrpl/basics/base_uint.h

@@ -546,7 +546,7 @@ operator<=>(base_uint<Bits, Tag> const& lhs, base_uint<Bits, Tag> const& rhs)
     // This comparison might seem wrong on a casual inspection because it
     // compares data internally stored as std::uint32_t byte-by-byte. But
     // note that the underlying data is stored in big endian, even if the
-    // plaform is little endian. This makes the comparison correct.
+    // platform is little endian. This makes the comparison correct.
     //
     // FIXME: use std::lexicographical_compare_three_way once support is
     //        added to MacOS.

include/xrpl/basics/comparators.h

@@ -9,7 +9,7 @@ namespace ripple {
 
 /*
  * MSVC 2019 version 16.9.0 added [[nodiscard]] to the std comparison
- * operator() functions. boost::bimap checks that the comparitor is a
+ * operator() functions. boost::bimap checks that the comparator is a
  * BinaryFunction, in part by calling the function and ignoring the value.
  * These two things don't play well together. These wrapper classes simply
  * strip [[nodiscard]] from operator() for use in boost::bimap.