Fix remainign comments, explicitly state 16 bytes

Author: JDevlieghere

lldb/include/lldb/Utility/UUID.h

@@ -19,20 +19,20 @@
 
 namespace lldb_private {
 
-  class Stream;
+class Stream;
 
+/// Represents UUID's of various sizes.  In all cases, a uuid of all zeros is
+/// treated as an "Invalid UUID" marker, and the UUID created from such data
+/// will return false for IsValid.
 class UUID {
-  // Represents UUID's of various sizes.  In all cases, a uuid of all zeros is
-  // treated as an "Invalid UUID" marker, and the UUID created from such data
-  // will return false for IsValid.
 public:
   UUID() = default;
 
   /// Create a uuid from the data pointed to by the bytes argument.
   UUID(llvm::ArrayRef<uint8_t> bytes) : m_bytes(bytes) {
     if (llvm::all_of(m_bytes, [](uint8_t b) { return b == 0; })) {
       Clear();
-   }
+    }
   }
 
   // Reference:
@@ -88,7 +88,7 @@ class UUID {
   DecodeUUIDBytesFromString(llvm::StringRef str,
                             llvm::SmallVectorImpl<uint8_t> &uuid_bytes);
 
-  /// Create a random UUID.
+  /// Create a random 16 byte UUID.
   static llvm::Expected<UUID> Generate();
 
 private: