diff --git a/README.md b/README.md
index fa793c7..3011db6 100644
--- a/README.md
+++ b/README.md
@@ -23,4 +23,5 @@ speedtest-cli-3 is written for use with Python 3
                        results image
       --simple         Suppress verbose output, only show basic information
       --list           Display a list of speedtest.net servers sorted by distance
-      --server SERVER  Specify a server ID to test against
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+      --server SERVER  Specify a server ID to test against
+      --json           Get results in json format with no status output (python 2.x only)
\ No newline at end of file