Clarify which bit is considered most significant in the bitmap and
resulting string. Also be explicit that it's a hex string.

Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
 src/util/virbitmap.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/util/virbitmap.c b/src/util/virbitmap.c
index ad5213f216..fcb8e1101a 100644
--- a/src/util/virbitmap.c
+++ b/src/util/virbitmap.c
@@ -328,7 +328,9 @@ virBitmapGetBit(virBitmapPtr bitmap,
  * virBitmapToString:
  * @bitmap: Pointer to bitmap
  *
- * Convert @bitmap to printable string.
+ * Convert @bitmap to printable hexadecimal string representation. Note that 
bit
+ * with highest position/index in @bitmap are considered as most significant 
bit
+ * in the output string.
  *
  * Returns pointer to the string or NULL on error.
  */
@@ -1117,10 +1119,13 @@ virBitmapCountBits(virBitmapPtr bitmap)
  * virBitmapNewString:
  * @string: the string to be converted to a bitmap
  *
- * Allocate a bitmap from a string of hexadecimal data.
+ * Allocate a bitmap and populate it from a string of hexadecimal data. Note
+ * that leftmost character in the string will correspond to the highest
+ * index/position in the bitmap. The size of the returned bitmap corresponds to
+ * 4 * the length of @string.
  *
- * Returns a pointer to the allocated bitmap or NULL if
- * memory cannot be allocated.
+ * Returns a pointer to the allocated bitmap or NULL and reports an error if
+ * @string can't be converted.
  */
 virBitmapPtr
 virBitmapNewString(const char *string)
-- 
2.26.2

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