diff --git a/README.md b/README.md
index fa3e52c..775e332 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ re-writing chat history.
 
 ## Usage
 
+
 To list available boards:
 
 ```
@@ -42,3 +43,6 @@ bulb read
 bulb read -b <board-name>
 bulb read -n <message-count>
 ```
+
+Note that when not specified, the board name defaults to `general`. For this
+reason, it is recommended to ensure that a board with this name exists.