diff --git a/README.md b/README.md
index e41b221..aa52d6a 100644
--- a/README.md
+++ b/README.md
@@ -324,7 +324,7 @@ merged = list(merge_visits([
 ]))
 ```
 
-If this doesn't support a browser and you wish to quickly extend without maintaining a fork (or contributing back to this repo), you can pass a `Browser` implementation (see [browsers/all.py](./browserexport/browsers/all.py) and [browsers/common.py](./browserexport/browsers/common.py) for more info) to `browserexport.parse.read_visits` or programatically override/add your own browsers as part of the [`browserexport.browsers` namespace package](https://github.com/seanbreckenridge/browserexport/blob/0705629e1dc87fe47d6f731018d26dc3720cf2fe/browserexport/browsers/all.py#L15-L24)
+If this doesn't support a browser and you wish to quickly extend without maintaining a fork (or contributing back to this repo), you can pass a `Browser` implementation (see [browsers/all.py](./browserexport/browsers/all.py) and [browsers/common.py](./browserexport/browsers/common.py) for more info) to `browserexport.parse.read_visits` or programmatically override/add your own browsers as part of the [`browserexport.browsers` namespace package](https://github.com/seanbreckenridge/browserexport/blob/0705629e1dc87fe47d6f731018d26dc3720cf2fe/browserexport/browsers/all.py#L15-L24)
 
 #### Comparisons with Promnesia
 
diff --git a/browserexport/browsers/common.py b/browserexport/browsers/common.py
index 714406e..72989aa 100644
--- a/browserexport/browsers/common.py
+++ b/browserexport/browsers/common.py
@@ -1,4 +1,4 @@
-# ununsed imports here, to bring them into scope for other files
+# unused imports here, to bring them into scope for other files
 import os
 import sys
 import sqlite3
@@ -112,7 +112,7 @@ def handle_glob(bases: Sequence[Path], stem: str, recursive: bool = False) -> Pa
         # found the match!
         return dbs[0]
     else:
-        # if we werent trying to search recursively, try a recursive search as a fallback
+        # if we weren't trying to search recursively, try a recursive search as a fallback
         if not recursive:
             return handle_glob(bases, stem, recursive=True)
         else:
@@ -154,7 +154,7 @@ def windows_appdata_paths(path: str) -> Sequence[PathIsh]:
     Given a path, return the path with the APPDATA/LOCALAPPDATA environment variables
     expanded.
     """
-    # normpath converts the path to use the correct path separator for windows incase
+    # normpath converts the path to use the correct path separator for windows in case
     # the user provided a path with forward slashes
     return tuple(
         os.path.normpath(os.path.expandvars(os.path.join(envvar, path)))
@@ -172,7 +172,7 @@ def handle_path(
     """
     Handles the repetitive task of having to resolve/expand a path
     which describes the location of the data directory on each
-    opreating system
+    operating system
     """
     loc: Sequence[PathIsh]
     # if the user didn't provide a key, assume this is a 'sys.platform' map - using
@@ -180,7 +180,7 @@ def handle_path(
     if key is None:
         key = determine_operating_system()
     # use the key provided, or the first item (dicts after python3.7 are ordered)
-    # in the pathmap if that doesnt exist
+    # in the pathmap if that doesn't exist
     maybeloc: Optional[PathMapEntry] = pathmap.get(key)
     if maybeloc is None:
         click.echo(
diff --git a/browserexport/browsers/firefox.py b/browserexport/browsers/firefox.py
index 47d7b4c..ce789db 100644
--- a/browserexport/browsers/firefox.py
+++ b/browserexport/browsers/firefox.py
@@ -35,7 +35,7 @@ class Firefox(Browser):
             "P.url",
             # Hack to tell apart whether timestamp is stored in microseconds (on desktop) or in milliseconds (on mobile)
             # We set 300_000_000 as threshold, it's year 1979, so definitely before Firefox existed,
-            # and the same multipied by 1000 is year 11476, also enough time for us not to care.
+            # and the same multiplied by 1000 is year 11476, also enough time for us not to care.
             "(CASE WHEN (V.visit_date > 300000000 * 1000000) THEN V.visit_date ELSE V.visit_date * 1000 END) AS visit_date",
             "V.visit_date",
             "P.title",
diff --git a/browserexport/browsers/palemoon.py b/browserexport/browsers/palemoon.py
index 8af8890..fa7bced 100644
--- a/browserexport/browsers/palemoon.py
+++ b/browserexport/browsers/palemoon.py
@@ -28,7 +28,7 @@ class Palemoon(Browser):
 
     @classmethod
     def detect(cls, path: PathIshOrConn) -> bool:
-        # if this doesnt have the moz_historyvisits, exit
+        # if this doesn't have the moz_historyvisits, exit
         if not super().detect(path):
             return False
         try:
diff --git a/browserexport/model.py b/browserexport/model.py
index 372ada1..c578423 100644
--- a/browserexport/model.py
+++ b/browserexport/model.py
@@ -59,7 +59,7 @@ class Visit(NamedTuple):
     dt: datetime
     # hmm, does this being optional make it more annoying to consume
     # by other programs? reduces the amount of data that other programs
-    # need to consume, so theres a tradeoff...
+    # need to consume, so there's a tradeoff...
     metadata: Optional[Metadata] = None
 
     def serialize(self) -> Dict[str, Any]:
diff --git a/browserexport/save.py b/browserexport/save.py
index 9acdd45..f5da7d5 100644
--- a/browserexport/save.py
+++ b/browserexport/save.py
@@ -85,7 +85,7 @@ def _default_pattern(
     can pass a pattern with a format replacement field (for the timestamp)
     if you'd rather use a different format
 
-    by default, this appends sqlite if thats not already the suffix,
+    by default, this appends sqlite if that's not already the suffix,
     adds the name of the browser and a timestamp
     """
     to_p: Path = expand_path(to)