Add further description on game recording

1 files changed, 5 insertions, 1 deletions

diff --git a/docs/README.md b/docs/README.md
index f55a93e..dadc38f 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,3 +1,7 @@
 # Brutal Maze record player
 
-Hosted by Github Pages: https://McSinyx.github.io/brutalmaze/
+Either game played by human or client script can be recorded to JSON format.
+This can be enabled by setting the output directory to a non-empty string via
+command-line option `--record-dir` or `Directory` in configuration file's
+`Record` section.  Recordings can be played on
+[the repo's Github Page](https://McSinyx.github.io/brutalmaze/).