diff --git a/nilmdb/client/client.py b/nilmdb/client/client.py
index 4fdc3f4..9f51234 100644
--- a/nilmdb/client/client.py
+++ b/nilmdb/client/client.py
@@ -145,8 +145,8 @@ class Client():
 
         Example:
           with client.stream_insert_context('/path', start, end) as ctx:
-            ctx.insert('1234567890.0 1 2 3 4\\n')
-            ctx.insert('1234567891.0 1 2 3 4\\n')
+            ctx.insert('1234567890000000 1 2 3 4\\n')
+            ctx.insert('1234567891000000 1 2 3 4\\n')
 
         For more details, see help for nilmdb.client.client.StreamInserter