[lldb] Fixes comment typos.

Author: mordante

lldb/source/Plugins/Language/CPlusPlus/LibCxxSliceArray.cpp

@@ -73,9 +73,9 @@ class LibcxxStdSliceArraySyntheticFrontEnd : public SyntheticChildrenFrontEnd {
   size_t m_size = 0;
   /// slice_array.__stride_.
   size_t m_stride = 0;
-  /// The type of slize_array's template argument T.
+  /// The type of slice_array's template argument T.
   CompilerType m_element_type;
-  /// The sizeof slize_array's template argument T.
+  /// The sizeof slice_array's template argument T.
   uint32_t m_element_size = 0;
 };