md4c.h: Fix some copy&paste errors in comments.
diff --git a/md4c/md4c.h b/md4c/md4c.h
index 448a275..c68527b 100644
--- a/md4c/md4c.h
+++ b/md4c/md4c.h
@@ -211,13 +211,13 @@ typedef struct MD_ATTRIBUTE {
} MD_ATTRIBUTE;
-/* Detailed info for MD_BLOCK_UL_DETAIL. */
+/* Detailed info for MD_BLOCK_UL. */
typedef struct MD_BLOCK_UL_DETAIL {
int is_tight; /* Non-zero if tight list, zero of loose. */
MD_CHAR mark; /* Item bullet character in MarkDown source of the list, e.g. '-', '+', '*'. */
} MD_BLOCK_UL_DETAIL;
-/* Detailed info for MD_BLOCK_OL_DETAIL. */
+/* Detailed info for MD_BLOCK_OL. */
typedef struct MD_BLOCK_OL_DETAIL {
unsigned start; /* Start index of the ordered list. */
int is_tight; /* Non-zero if tight list, zero of loose. */