diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 8f2360de..edf90044 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -896,7 +896,7 @@ def get_sects():
             dedent(
                 """
             the mDNS protocol is multicast-based, which means there are thousands
-            of fun and intersesting ways for it to break unexpectedly
+            of fun and interesting ways for it to break unexpectedly
 
             things to check if it does not work at all:
 
diff --git a/copyparty/authsrv.py b/copyparty/authsrv.py
index d50ea173..0d68cf13 100644
--- a/copyparty/authsrv.py
+++ b/copyparty/authsrv.py
@@ -924,7 +924,7 @@ class AuthSrv(object):
 
         for un, gn in un_gn:
             # if ap/vp has a user/group placeholder, make sure to keep
-            # track so the same user/gruop is mapped when setting perms;
+            # track so the same user/group is mapped when setting perms;
             # otherwise clear un/gn to indicate it's a regular volume
 
             src1 = src0.replace("${u}", un or "\n")
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 8131e54a..8989fb1f 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -3045,7 +3045,7 @@ class HttpCli(object):
             if ex.errno != errno.ENOENT:
                 raise
 
-        # if file exists, chekc that timestamp matches the client's
+        # if file exists, check that timestamp matches the client's
         if srv_lastmod >= 0:
             same_lastmod = cli_lastmod3 in [-1, srv_lastmod3]
             if not same_lastmod:
@@ -4789,7 +4789,7 @@ class HttpCli(object):
 
             fmt = fmt.format(len(nfmt.format(biggest)))
             retl = [
-                "# {}: {}".format(x, ls[x])
+                ("# %s: %s" % (x, ls[x])).replace(r"</span> // <span>", " // ")
                 for x in ["acct", "perms", "srvinf"]
                 if x in ls
             ]
diff --git a/copyparty/mtag.py b/copyparty/mtag.py
index 59a5ab16..99868e40 100644
--- a/copyparty/mtag.py
+++ b/copyparty/mtag.py
@@ -473,7 +473,7 @@ class MTag(object):
                 sv = str(zv).split("/")[0].strip().lstrip("0")
                 ret[sk] = sv or 0
 
-        # normalize key notation to rkeobo
+        # normalize key notation to rekobo
         okey = ret.get("key")
         if okey:
             key = str(okey).replace(" ", "").replace("maj", "").replace("min", "m")
diff --git a/copyparty/ssdp.py b/copyparty/ssdp.py
index 5f8de79d..e95bf69e 100644
--- a/copyparty/ssdp.py
+++ b/copyparty/ssdp.py
@@ -84,7 +84,7 @@ class SSDPr(object):
         name = self.args.doctitle
         zs = zs.strip().format(c(ubase), c(url), c(name), c(self.args.zsid))
         hc.reply(zs.encode("utf-8", "replace"))
-        return False  # close connectino
+        return False  # close connection
 
 
 class SSDPd(MCast):
diff --git a/copyparty/tcpsrv.py b/copyparty/tcpsrv.py
index f4d97bed..88aa654a 100644
--- a/copyparty/tcpsrv.py
+++ b/copyparty/tcpsrv.py
@@ -95,7 +95,7 @@ class TcpSrv(object):
                                 continue
 
                             # binding 0.0.0.0 after :: fails on dualstack
-                            # but is necessary on non-dualstakc
+                            # but is necessary on non-dualstack
                             if successful_binds:
                                 continue
 
diff --git a/copyparty/util.py b/copyparty/util.py
index 33f79ba3..e14b3732 100644
--- a/copyparty/util.py
+++ b/copyparty/util.py
@@ -1163,7 +1163,7 @@ class Magician(object):
             return ret
 
         mime = magic.from_file(fpath, mime=True)
-        mime = re.split("[; ]", mime, 1)[0]
+        mime = re.split("[; ]", mime, maxsplit=1)[0]
         try:
             return EXTS[mime]
         except:
diff --git a/docs/devnotes.md b/docs/devnotes.md
index 571e7b95..af6e1117 100644
--- a/docs/devnotes.md
+++ b/docs/devnotes.md
@@ -279,6 +279,7 @@ the rest is mostly optional; if you need a working env for vscode or similar
 python3 -m venv .venv
 . .venv/bin/activate
 pip install jinja2 strip_hints  # MANDATORY
+pip install argon2-cffi  # password hashing
 pip install mutagen  # audio metadata
 pip install pyftpdlib  # ftp server
 pip install partftpy  # tftp server
diff --git a/scripts/help2html.py b/scripts/help2html.py
index 89aec2f5..7bd3318a 100755
--- a/scripts/help2html.py
+++ b/scripts/help2html.py
@@ -71,7 +71,7 @@ def cnv(src):
 
 def main():
     src = readclip()
-    src = re.split("0{100,200}", src[::-1], 1)[1][::-1]
+    src = re.split("0{100,200}", src[::-1], maxsplit=1)[1][::-1]
     with open("helptext.html", "wb") as fo:
         for ln in cnv(iter(src.split("\n")[:-3])):
             fo.write(ln.encode("utf-8") + b"\r\n")