Update dev guide with meta queries.

[pithos] / pithos / backends / base.py

diff --git a/pithos/backends/base.py b/pithos/backends/base.py
index 9a6c2d8..6debef0 100644 (file)
--- a/pithos/backends/base.py
+++ b/pithos/backends/base.py
@@ -289,7 +289,7 @@ class BaseBackend(object):
             
             'keys': Include objects that satisfy the key queries in the list.
                     Use 'key', '!key' for existence queries, 'key op value' for
-                    value queries, where 'op' can be one of =, != <=, >=, <, >
+                    value queries, where 'op' can be one of =, !=, <=, >=, <, >
             
             'shared': Only list objects with permissions set