typos

diff --git a/shared/actions.py b/shared/actions.py
index 20a239e..74d7a94 100644
--- a/shared/actions.py
+++ b/shared/actions.py
@@ -822,7 +822,7 @@ async def start_login_sequence():
             # PIN again) and if it's a duress wallet, that's cool...
 
         # Do we need to do countdown delay? (real or otherwise)
-        # - wiping has already occured if that was selected by trick details
+        # - wiping has already occurred if that was selected by trick details
         # - delay is variable, stored in tc_arg
         delay = tp.was_countdown_pin()
 
@@ -2296,7 +2296,7 @@ async def wipe_address_cache(*a):
 async def wipe_ovc(*a):
     ok = await ux_confirm('''Clear history of segwit UTXO input values we have seen already. \
 This data protects you against specific attacks. Use this only if certain a false-positive \
-has occured in the detection logic.''')
+has occurred in the detection logic.''')
     if not ok: return
 
     import history
diff --git a/shared/bbqr.py b/shared/bbqr.py
index c684e0b..a7f5fa9 100644
--- a/shared/bbqr.py
+++ b/shared/bbqr.py
@@ -54,7 +54,7 @@ def calc_num_qr(char_capacity, char_len, split_mod):
     if char_len > actual:
         need += 1
 
-    # Challenge: the final QR might have just a a few chars in it, if we redistribute
+    # Challenge: the final QR might have just a few chars in it, if we redistribute
     # the data into the other parts, then each QR can have more forward error correction
     # and be more robust. Must respect split_mod alignment tho.
     level = ceil(char_len / need)
diff --git a/shared/multisig.py b/shared/multisig.py
index b325c2b..df7192f 100644
--- a/shared/multisig.py
+++ b/shared/multisig.py
@@ -248,7 +248,7 @@ class MultisigWallet(WalletABC):
     def iter_wallets(cls, M=None, N=None, not_idx=None, addr_fmts=None, name=None):
         # yield MS wallets we know about, that match at least right M,N if known.
         # - this is only place we should be searching this list, please!!
-        # addr_fmts: list of address formats we're intersted in
+        # addr_fmts: list of address formats we're interested in
         # name: string ms wallet name
         lst = settings.get('multisig', [])
 
@@ -583,7 +583,7 @@ class MultisigWallet(WalletABC):
                 found_pk = node.pubkey()
 
                 # Document path(s) used. Not sure this is useful info to user tho.
-                # - Do not show what we can't verify: we don't really know the hardeneded
+                # - Do not show what we can't verify: we don't really know the hardened
                 #   part of the path from fingerprint to here.
                 here = '[%s]' % xfp2str(xfp)
                 if dp != len(path):
diff --git a/shared/notes.py b/shared/notes.py
index 89b2349..eff14d6 100644
--- a/shared/notes.py
+++ b/shared/notes.py
@@ -211,7 +211,7 @@ class NotesMenu(MenuSystem):
     @classmethod
     async def disable_notes(cls, *a):
         # they don't want feature anymore; already checked no notes in effect
-        # - no need for confirm, they aren't loosing anything
+        # - no need for confirm, they aren't losing anything
         settings.remove_key('secnap')
         settings.remove_key('notes')
         settings.save()
diff --git a/shared/psbt.py b/shared/psbt.py
index c65557a..dabbfb5 100644
--- a/shared/psbt.py
+++ b/shared/psbt.py
@@ -478,7 +478,7 @@ class psbtOutputProxy(psbtProxy):
                 # - we get all of that by re-constructing the script from our wallet details
                 if not redeem_script and not witness_script:
                     # Perhaps an omission, so let's not call fraud on it
-                    # But definately required, else we don't know what script we're sending to.
+                    # But definitely required, else we don't know what script we're sending to.
                     raise FatalPSBTIssue(
                         "Missing redeem/witness script for multisig output #%d" % out_idx
                     )
diff --git a/shared/sffile.py b/shared/sffile.py
index 829348d..9d2ac95 100644
--- a/shared/sffile.py
+++ b/shared/sffile.py
@@ -2,7 +2,7 @@
 #
 # sffile.py - file-like objects stored in PSRAM (Mk4+) (used to be SPI Flash)
 #
-# - implements stream IO protoccol
+# - implements stream IO protocol
 # - random read, sequential write
 # - only a few of these are possible
 # - the offset is the file name
diff --git a/shared/users.py b/shared/users.py
index 3d09ebe..8dd0ef4 100644
--- a/shared/users.py
+++ b/shared/users.py
@@ -78,7 +78,7 @@ KEY = 'usr'
 UserInfo = namedtuple('UserInfo', 'auth_mode secret last_counter')
 
 class Users:
-    '''Track users and thier TOTP secrets or hashed passwords'''    
+    '''Track users and their TOTP secrets or hashed passwords'''
 
     @classmethod
     def get(cls):
diff --git a/shared/utils.py b/shared/utils.py
index 3bfa4f2..dffb8a4 100644
--- a/shared/utils.py
+++ b/shared/utils.py
@@ -220,7 +220,7 @@ def to_ascii_printable(s, strip=False, only_printable=True):
 
 def problem_file_line(exc):
     # return a string of just the filename.py and line number where
-    # an exception occured. Best used on AssertionError.
+    # an exception occurred. Best used on AssertionError.
 
     tmp = uio.StringIO()
     sys.print_exception(exc, tmp)
diff --git a/shared/wallet.py b/shared/wallet.py
index d3ef62a..cdfc564 100644
--- a/shared/wallet.py
+++ b/shared/wallet.py
@@ -38,7 +38,7 @@ class MasterSingleSigWallet(WalletABC):
     def __init__(self, addr_fmt, path=None, account_idx=0, chain_name=None):
         # Construct a wallet based on current master secret, and chain.
         # - path is optional, and then we use standard path for addr_fmt
-        # - path can be overriden when we come here via address explorer
+        # - path can be overridden when we come here via address explorer
 
         n = chains.addr_fmt_label(addr_fmt)
         if not version.has_qwerty: