diff --git a/README.md b/README.md
index 16c292a..7907874 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ The configuration:
 
 - `customStylesheetURL` - (*string*, default to `null`) Path to a custom stylesheet file, for those who doesn't like the default *theme*.
 - `yearLength` - (*number*, default to `120`) The width of the year grids, in pixels.
+- `hideAge` - (*boolean*, default to `false`) Option to hide age from year axis.
 
 Datetime "syntax"
 -----------------