Adding units specification to mem_limit variable

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 94e424a..3c52a5f 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,8 @@ more information on how to create port bindings and volume mappings.
 The `environment` variable accepts a dictionary or a list of strings
 in the following format `["PASSWORD=xxx"]` or `{"PASSWORD": "xxx"}`.
 
+The `mem_limit` variable accepts float values (which represent the memory limit of the created container in bytes) or a string with a units identification char ('1000k', 128m', '1g').
+
 `volumes_from` and `dns` arguments raise TypeError exception if they are used
 against v1.10 of docker remote API. Those arguments should be passed to
 `start()` instead.