man: Improve style of KernelModulesInitrd

mkosi/resources/man/mkosi.1.md

@@ -1046,11 +1046,10 @@ boolean argument: either `1`, `yes`, or `true` to enable, or `0`, `no`,
     the image.
 
 `KernelModulesInitrd=`, `--kernel-modules-initrd=`
-:   Enable/Disable generation of the kernel modules initrd when building a bootable image. Enabled by default.
-    If enabled, when building a bootable image, for each kernel that we assemble a unified kernel image for we
-    generate an extra initrd containing only the kernel modules for that kernel version and append it to the
-    prebuilt initrd. This allows generating kernel independent initrds which are augmented with the necessary
-    kernel modules when the UKI is assembled.
+:   Boolean value, enabled (true) by default. If enabled, when building a bootable image, mkosi will generate
+    an extra initrd for each unified kernel image it assembles. This initrd contains only modules for
+    the specific kernel version, and will be appended to the prebuilt initrd. This allows generating kernel
+    independent initrds which are augmented with the necessary modules when the UKI is assembled.
 
 `KernelModulesInitrdInclude=`, `--kernel-modules-initrd-include=`
 :   Like `KernelModulesInclude=`, but applies to the kernel modules included in the kernel modules initrd.