pkg: move hledger-ui comment

hledger-ui/package.yaml

@@ -35,16 +35,6 @@ flags:
     description: If building with time < 1.5, also depend on old-locale. Set automatically by cabal.
     manual: false
     default: false
-# curses is required to build terminfo for vty for hledger-ui.
-# On POSIX systems it might be not present.
-# On windows it's very likely not present, but possibly it could be.
-# Ideally we'd like to
-# on POSIX: give a clear error ("install your system libcurses-dev package") if not present
-# on windows: quietly skip building if not present, build if it is present
-#  curses
-#    default: True
-#    description:
-# For now, just don't build hledger-ui on windows
 cpp-options: -DVERSION="0.28"
 executables:
   hledger-ui:
@@ -80,6 +70,16 @@ executables:
       - transformers
       - vector
     when:
+      # curses is required to build terminfo for vty for hledger-ui.
+      # On POSIX systems it might be not present.
+      # On windows it's very likely not present, but possibly it could be.
+      # Ideally we'd like to
+      # on POSIX: give a clear error ("install your system libcurses-dev package") if not present
+      # on windows: quietly skip building if not present, build if it is present
+      #  curses
+      #    default: True
+      #    description:
+      # For now, just don't build hledger-ui on windows
       - condition: os(windows)
         then:
           buildable: false