nyan: better wording of comment

systems/chromebook_nyan/get-files.sh

@@ -3,10 +3,10 @@
 # toggle installing legacy kernel or mainline kernel by default
 LEGACY_KERNEL="no"
 
-# this one is for the v5.4 kernel tree which has a way more reliable display handling
+# this one is for the v5.4 kernel tree which had a way more reliable display handling in the past
 #chromebook_nyan_release_version="5.4.125-stb-cbt%2B"
 #chromebook_nyan_kernel_tree="linux-mainline-tegra-k1-kernel"
-# this one is for the v5.15 newer kernel which seem to work now
+# this one is for the v5.15 newer kernel which seems to work similarly well now
 chromebook_nyan_release_version="5.15.2-stb-cbt%2B"
 chromebook_nyan_kernel_tree="linux-mainline-and-mali-generic-stable-kernel"
 chromebook_nyan_legacy_release_version="3.10.18-cos-r91"