pybind/rbd: fix a typo in metadata_get comments

Signed-off-by: songweibin <song.weibin@zte.com.cn>

diff --git a/src/pybind/rbd/rbd.pyx b/src/pybind/rbd/rbd.pyx
index dff5fc190adac00b11a900319e32f4f51dcf6579..c18b8bd4657967201f843dc9b47ac2b37350270e 100644 (file)
--- a/src/pybind/rbd/rbd.pyx
+++ b/src/pybind/rbd/rbd.pyx
@@ -4225,7 +4225,7 @@ written." % (self.name, ret, length))
 
         :param key: metadata key
         :type key: str
-        :returns: str - image id
+        :returns: str - metadata value
         """
         key = cstr(key, 'key')
         cdef: