Minor comment changes

git-svn-id: file:///svn/tokudb@377 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/cachetable.h

@@ -19,8 +19,8 @@ typedef struct cachefile *CACHEFILE;
  * Note: The cachetable should use a common pool of memory, flushing things across cachetables.
  *  (The first implementation doesn't)
  * If you pin something twice, you must unpin it twice.
- * table_size is the initial size of the cache table hash table
- * size limit is the upper bound of the sum of size of the entries in the cache table
+ * table_size is the initial size of the cache table hash table (in number of entries)
+ * size limit is the upper bound of the sum of size of the entries in the cache table (total number of bytes)
  */
 int create_cachetable_size(CACHETABLE */*result*/, int table_size, long size_limit);