diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 86b6b031..eb44ef4f 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -536,7 +536,7 @@ def get_sects():
             dedent(
                 """
             \033[33m-i\033[0m takes a comma-separated list of interfaces to listen on;
-            IP-addresses, unix-sockets and/or open file descriptors
+            IP-addresses, unix-sockets, and/or open file descriptors
 
             the default (\033[32m-i ::\033[0m) means all IPv4 and IPv6 addresses
 
@@ -564,7 +564,7 @@ def get_sects():
 
             \033[32m-i fd:\033[33m3\033[0m uses the socket passed to copyparty on file descriptor 3
 
-            \033[33m-p\033[0m (tcp ports) is ignored for non ip-addresses
+            \033[33m-p\033[0m (tcp ports) is ignored for unix-sockets and FDs
             """
             ),
         ],
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index b335fe4a..c982a812 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -262,7 +262,8 @@ class HttpCli(object):
 
     def _assert_safe_rem(self, rem: str) -> None:
         # sanity check to prevent any disasters
-        if rem.startswith("/") or rem.startswith("../") or "/../" in rem:
+        # (this function hopefully serves no purpose; validation has already happened at this point, this only exists as a last-ditch effort just in case)
+        if rem.startswith(("/", "../")) or "/../" in rem:
             raise Exception("that was close")
 
     def _gen_fk(self, alg: int, salt: str, fspath: str, fsize: int, inode: int) -> str:
@@ -5031,7 +5032,7 @@ class HttpCli(object):
             wvol = [x for x in wvol if "unlistcw" not in allvols[x[1:-1]].flags]
 
         fmt = self.uparam.get("ls", "")
-        if not fmt and (self.ua.startswith("curl/") or self.ua.startswith("fetch")):
+        if not fmt and self.ua.startswith(("curl/", "fetch")):
             fmt = "v"
 
         if fmt in ["v", "t", "txt"]:
@@ -5141,7 +5142,7 @@ class HttpCli(object):
             t = '<h1 id="n">404 not found &nbsp;┐( ´ -`)┌</h1><p><a id="r" href="{}/?h">go home</a></p>'
             pt = "404 not found  ┐( ´ -`)┌"
 
-        if self.ua.startswith("curl/") or self.ua.startswith("fetch"):
+        if self.ua.startswith(("curl/", "fetch")):
             pt = "# acct: %s\n%s\n" % (self.uname, pt)
             self.reply(pt.encode("utf-8"), status=rc)
             return True
@@ -6267,11 +6268,7 @@ class HttpCli(object):
         is_ls = "ls" in self.uparam
         is_js = self.args.force_js or self.cookies.get("js") == "y"
 
-        if (
-            not is_ls
-            and not add_og
-            and (self.ua.startswith("curl/") or self.ua.startswith("fetch"))
-        ):
+        if not is_ls and not add_og and self.ua.startswith(("curl/", "fetch")):
             self.uparam["ls"] = "v"
             is_ls = True
 
diff --git a/copyparty/multicast.py b/copyparty/multicast.py
index 6d6507f8..766dc15d 100644
--- a/copyparty/multicast.py
+++ b/copyparty/multicast.py
@@ -183,11 +183,7 @@ class MCast(object):
                 srv.ips[oth_ip.split("/")[0]] = ipaddress.ip_network(oth_ip, False)
 
             # gvfs breaks if a linklocal ip appears in a dns reply
-            ll = {
-                k: v
-                for k, v in srv.ips.items()
-                if k.startswith("169.254") or k.startswith("fe80")
-            }
+            ll = {k: v for k, v in srv.ips.items() if k.startswith(("169.254", "fe80"))}
             rt = {k: v for k, v in srv.ips.items() if k not in ll}
 
             if self.args.ll or not rt:
diff --git a/copyparty/svchub.py b/copyparty/svchub.py
index 9a00f890..07d85d83 100644
--- a/copyparty/svchub.py
+++ b/copyparty/svchub.py
@@ -878,7 +878,7 @@ class SvcHub(object):
                     setattr(al, zs, False)
                     zb = True
             if zb:
-                t = "no ip addresses provided; cannot enable zeroconf/mdns/ssdp as requested"
+                t = "not listening on any ip-addresses (only unix-sockets and/or FDs); cannot enable zeroconf/mdns/ssdp as requested"
                 self.log("root", t, 3)
 
         if not self.args.no_dav: