diff --git a/src/chsrc.c b/src/chsrc.c
index c9855a9..6a704a5 100644
--- a/src/chsrc.c
+++ b/src/chsrc.c
@@ -874,22 +874,22 @@ ensure_apt_sourcelist (int debian_type)
 
   if (debian_type == Debian_deriv_ubuntu)
     {
-      makeup =  xy_strjoin (9,
-                "# Generated by chsrc" Chsrc_Version  "\n"
-                "deb " Chsrc_Maintain_URL "/ubuntu", codename, " main restricted universe multiverse\n"
-                "deb " Chsrc_Maintain_URL "/ubuntu", codename, "-updates main restricted universe multiverse\n"
-                "deb " Chsrc_Maintain_URL "/ubuntu", codename, "-backports main restricted universe multiverse\n"
-                "deb " Chsrc_Maintain_URL "/ubuntu", codename, "-security main restricted universe multiverse\n");
+      makeup = xy_strjoin (9,
+               "# Generated by chsrc " Chsrc_Version "(" Chsrc_Maintain_URL ")\n\n"
+               "deb " Chsrc_Maintain_URL "/ubuntu ", codename, " main restricted universe multiverse\n"
+               "deb " Chsrc_Maintain_URL "/ubuntu ", codename, "-updates main restricted universe multiverse\n"
+               "deb " Chsrc_Maintain_URL "/ubuntu ", codename, "-backports main restricted universe multiverse\n"
+               "deb " Chsrc_Maintain_URL "/ubuntu ", codename, "-security main restricted universe multiverse\n");
     }
   else
     {
       // https://wiki.debian.org/SourcesList
-      makeup =  xy_strjoin (9,
-                "# Generated by chsrc" Chsrc_Version  "\n"
-                "deb " Chsrc_Maintain_URL "/debian", codename, " main contrib non-free\n"
-                "deb " Chsrc_Maintain_URL "/debian", codename, "-security main contrib non-free\n"
-                "deb " Chsrc_Maintain_URL "/debian", codename, "-updates main contrib non-free\n"
-                "deb " Chsrc_Maintain_URL "/debian", codename, "-backports main contrib non-free\n");
+      makeup = xy_strjoin (9,
+               "# Generated by chsrc " Chsrc_Version "(" Chsrc_Maintain_URL ")\n\n"
+               "deb " Chsrc_Maintain_URL "/debian ", codename, " main contrib non-free\n"
+               "deb " Chsrc_Maintain_URL "/debian ", codename, "-security main contrib non-free\n"
+               "deb " Chsrc_Maintain_URL "/debian ", codename, "-updates main contrib non-free\n"
+               "deb " Chsrc_Maintain_URL "/debian ", codename, "-backports main contrib non-free\n");
     }
 
   FILE *f = fopen (ETC_APT_SOURCELIST, "w");