Update README.md

Author: gsingh93

README.md

@@ -114,7 +114,7 @@ Miscellaneous:
       linux_checkout                - Checks out the version specified by $VERSION of the linux kernel in $LINUX_SRC
 
    Environment Variables:
-      VERSION                       - The version to download or checkout. For checkout only, if the third number in the version string is a 'y', the latest version of the kernel with that major and minor version is used. Examples: 5.10, 5.10.107, v5.10, 5.10.y, linux-5.10.y
+      VERSION                       - The version to download or checkout. If the patch version is a 'y', the latest version of the kernel with that major and minor version is used. Examples: 5.10, 5.10.107, v5.10, 5.10.y, linux-5.10.y, android13-5.10
 ```
 
 ## Building
@@ -186,12 +186,12 @@ VERSION=5.10.107 make linux_download
 VERSION=5.10.107 make linux_checkout
 ```
 
-The version string can be specified as `5.10.107` as `v5.10.107` (the name of the version tag in the Linux git repo). For `linux_checkout`, you can additionally set the last number to `y` to checkout the latest version of that kernel:
+The version string can be specified as `5.10.107` or `v5.10.107` (the name of the version tag in the Linux git repo). You can additionally set the last number to `y` to checkout or download the latest version of that kernel:
 ```bash
+VERSION=5.10.y make linux_download
 VERSION=5.10.y make linux_checkout
 ```
-Using `linux-5.10.y` will also work here, which is the name of the corresponding branch in the Linux git repo.
 
-The `LINUX_SRC` variable can be used to customize the source directory for `linux_checkout`
+The `LINUX_SRC` variable can be used to customize the source directory for `linux_checkout`.
 
 These `make` targets are just wrappers around the `./scripts/download_linux.sh` and `./scripts/checkout_linux.sh` scripts, so if you prefer those can be used instead.