diff --git a/README.md b/README.md
index b107622..d1e0f1b 100644
--- a/README.md
+++ b/README.md
@@ -109,13 +109,13 @@ CACHE_DISK_SIZE 1000000m
 In addition, there is an environment variable to control the max cache age
 
 ```
-CACHE_MAX_AGE 3650d
+CACHE_MAX_AGE 3560d
 ````
 
 You can override these at run time by adding the following to your docker run command.  They accept the standard nginx notation for sizes (k/m/g/t) and durations (m/h/d)
 
 ```
--e CACHE_MEM_SIZE=4000m -e CACHE_DISK_SIZE=1000g
+-e CACHE_MEM_SIZE=4000m -e CACHE_DISK_SIZE=1000g -e CACHE_MAX_AGE 3560d
 ```
 
 ## Tuning your cache