diff --git a/images/docker-unifi-controller.md b/images/docker-unifi-controller.md
index 22f9cbcbe..b17c9294b 100644
--- a/images/docker-unifi-controller.md
+++ b/images/docker-unifi-controller.md
@@ -66,8 +66,8 @@ services:
     environment:
       - PUID=1000
       - PGID=1000
-      - MEM_LIMIT=1024M #optional
-      - MEM_STARTUP=1024M #optional
+      - MEM_LIMIT=1024 #optional
+      - MEM_STARTUP=1024 #optional
     volumes:
       - <path to data>:/config
     ports:
@@ -90,8 +90,8 @@ docker run -d \
   --name=unifi-controller \
   -e PUID=1000 \
   -e PGID=1000 \
-  -e MEM_LIMIT=1024M `#optional` \
-  -e MEM_STARTUP=1024M `#optional` \
+  -e MEM_LIMIT=1024 `#optional` \
+  -e MEM_STARTUP=1024 `#optional` \
   -p 3478:3478/udp \
   -p 10001:10001/udp \
   -p 8080:8080 \
@@ -130,8 +130,8 @@ Docker images are configured using parameters passed at runtime (such as those a
 | :----: | --- |
 | `PUID=1000` | for UserID - see below for explanation |
 | `PGID=1000` | for GroupID - see below for explanation |
-| `MEM_LIMIT=1024M` | Optionally change the Java memory limit (-Xmx) (default is 1024M). |
-| `MEM_STARTUP=1024M` | Optionally change the Java initial memory (-Xms) (default is 1024M). |
+| `MEM_LIMIT=1024` | Optionally change the Java memory limit. Set to `default` to reset to default |
+| `MEM_STARTUP=1024` | Optionally change the Java initial/minimum memory. Set to `default` to reset to default |
 
 ### Volume Mappings (`-v`)
 
@@ -193,6 +193,7 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
 
 ## Versions
 
+* **23.12.21:** - Move min/max memory config from run to system.properties.
 * **22.12.21:** - Move deb package install to first init to avoid overlayfs performance issues.
 * **13.12.21:** - Rebase 64 bit containers to Focal.
 * **11.12.21:** - Add java opts to mitigate CVE-2021-44228.