1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index 2c39a19..18ba570 100644
--- a/README.md
+++ b/README.md
@@ -258,6 +258,10 @@ set to a key which is different than the key not existing.
 
 Use the `Bucket.Delete()` function to delete a key from the bucket.
 
+Please note that values returned from `Get()` are only valid while the
+transaction is open. If you need to use a value outside of the transaction
+then you must use `copy()` to copy it to another byte slice.
+
 
 ### Iterating over keys