docs: clarify that macOS guests need the host macOS to be newer

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

templates/README.md

@@ -77,6 +77,7 @@ lima
 ### Non-Linux
 
 NOTE: support for non-Linux OSes is [experimental](https://lima-vm.io/docs/releases/experimental/).
+For running macOS guests, you need a macOS host that is same or newer than the guest OS.
 
 - [`macos-15`](./macos-15.yaml): [macOS](https://lima-vm.io/docs/usage/guests/macos/) 15 (Sequoia)
 - [`macos-26`](./macos-26.yaml): [macOS](https://lima-vm.io/docs/usage/guests/macos/) 26 (Tahoe)

website/content/en/docs/usage/guests/macos.md

@@ -3,7 +3,7 @@ title: macOS
 weight: 2
 ---
 
-| ⚡ Requirement | Lima >= 2.1, macOS, ARM  |
+| ⚡ Requirement | Lima >= 2.1, macOS (same or newer than the guest OS), ARM  |
 |-------------------|-----------------------------|
 
 Running macOS guests is experimentally supported since Lima v2.1.
@@ -13,6 +13,11 @@ Running macOS guests is experimentally supported since Lima v2.1.
 ```bash
 limactl start template:macos
 ```
+
+To specify the macOS version explicitly:
+```bash
+limactl start template:macos-27
+```
 {{% /tab %}}
 {{% tab header="With Homebrew" %}}
 ```bash