update documents for set()

1 files changed, 4 insertions, 4 deletions

diff --git a/redis/client.py b/redis/client.py
index 95a3cf3..f32f9b4 100755
--- a/redis/client.py
+++ b/redis/client.py
@@ -1144,11 +1144,11 @@ class StrictRedis(object):
 
         ``px`` sets an expire flag on key ``name`` for ``px`` milliseconds.
 
-        ``nx`` if set to True, set the value at key ``name`` to ``value`` if it
-            does not already exist.
+        ``nx`` if set to True, set the value at key ``name`` to ``value`` only
+            if it does not exist.
 
-        ``xx`` if set to True, set the value at key ``name`` to ``value`` if it
-            already exists.
+        ``xx`` if set to True, set the value at key ``name`` to ``value`` only
+            if it already exists.
         """
         pieces = [name, value]
         if ex is not None: