diff --git a/doc/usage.rst b/doc/usage.rst
index 32ad614..33d93bb 100644
--- a/doc/usage.rst
+++ b/doc/usage.rst
@@ -75,7 +75,7 @@ Note that this is conversion of natural numbers, so all int values are
 non-negative. Invoking convert_from_int() on a negative integer raises an
 exception.
 
-It is also possible to peform an add operation of a single digit to
+It is also possible to perform an add operation of a single digit to
 a number in any base. ::
 
     >>> Nats.carry_in([1, 1], 1, 2)
diff --git a/src/justbases/_division.py b/src/justbases/_division.py
index bf5f27c..8652485 100644
--- a/src/justbases/_division.py
+++ b/src/justbases/_division.py
@@ -137,7 +137,7 @@ def _fractional_division(
         :param precision: maximum number of fractional digits
         :type precision: int or NoneType
         :param method: rounding method
-        :type method: element of RoundignMethods.METHODS
+        :type method: element of RoundingMethods.METHODS
 
         :returns: carry-out digit, non_repeating and repeating parts
         :rtype: tuple of int * list of int * list of int * int
@@ -199,7 +199,7 @@ def division(
         :param precision: maximum number of fractional digits
         :type precision: int or NoneType
         :param method: rounding method
-        :type method: element of RoundignMethods.METHODS
+        :type method: element of RoundingMethods.METHODS
         :returns: the result
         :rtype: tuple of list of int * list of int * list of int * int
         :raises ConvertError: on invalid values
diff --git a/tests/test_deterministic/test_radix.py b/tests/test_deterministic/test_radix.py
index ea8beea..8e22c64 100644
--- a/tests/test_deterministic/test_radix.py
+++ b/tests/test_deterministic/test_radix.py
@@ -71,7 +71,7 @@ def test_in_equality(self):
 
     def test_operator_exceptions(self):
         """
-        Test that comparsion operators yield exceptions.
+        Test that comparison operators yield exceptions.
         """
         radix1 = Radix(0, [], [], [], 3)
         radix2 = Radix(0, [], [], [], 2)