diff --git a/Tools/gdb/libpython.py b/Tools/gdb/libpython.py
index 390ea29..e713654 100755
--- a/Tools/gdb/libpython.py
+++ b/Tools/gdb/libpython.py
@@ -84,7 +84,7 @@
 
 
 def safety_limit(val):
-    # Given a integer value from the process being debugged, limit it to some
+    # Given an integer value from the process being debugged, limit it to some
     # safety threshold so that arbitrary breakage within said process doesn't
     # break the gdb process too much (e.g. sizes of iterations, sizes of lists)
     return min(val, 1000)
@@ -132,7 +132,7 @@
 
 class PyObjectPtr(object):
     """
-    Class wrapping a gdb.Value that's a either a (PyObject*) within the
+    Class wrapping a gdb.Value that's either a (PyObject*) within the
     inferior process, or some subclass pointer e.g. (PyStringObject*)
 
     There will be a subclass for every refined PyObject type that we care
diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index a56e40a..3ef4a65 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -259,7 +259,7 @@
     # either both per-machine or per-user.
     migrate_features = 1
     # See "Upgrade Table". We remove releases with the same major and
-    # minor version. For an snapshot, we remove all earlier snapshots. For
+    # minor version. For a snapshot, we remove all earlier snapshots. For
     # a release, we remove all snapshots, and all earlier releases.
     if snapshot:
         add_data(db, "Upgrade",