Update RP-1 description on ckan to make it more clear (#2159)

* Update RP-1.netkan

i do not know how to make it more clear

* make description shorter

* fixed further possible confusion

* Further clarify wording

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Co-authored-by: NathanKell <nathankell@gmail.com>

RP-1.netkan

@@ -2,7 +2,7 @@
 	"spec_version" : "v1.26",
 	"identifier" : "RP-1",
 	"name"       : "Realistic Progression One (RP-1)",
-	"abstract"   : "Realistic Progression One - Career for Realism Overhaul",
+	"abstract"   : "Career for Realism Overhaul. Do not select/install this directly, instead select the RP-1 Express Install and let it install this automatically unless you know what you're doing and can fix it yourself.",
 	"license"    : "CC-BY-4.0",
 	"author"     : "RP-1 Group",
 	"$kref"      : "#/ckan/github/KSP-RO/RP-1",