diff --git a/dedupe/api.py b/dedupe/api.py
index f89012cb..e8e36abe 100644
--- a/dedupe/api.py
+++ b/dedupe/api.py
@@ -89,7 +89,7 @@ def __init__(
     def fingerprinter(self) -> blocking.Fingerprinter:
         if self._fingerprinter is None:
             raise ValueError(
-                "the record fingerprinter is not intialized, "
+                "the record fingerprinter is not initialized, "
                 "please run the train method"
             )
 
diff --git a/dedupe/clustering.py b/dedupe/clustering.py
index f6e148ce..a1b7b423 100644
--- a/dedupe/clustering.py
+++ b/dedupe/clustering.py
@@ -201,7 +201,7 @@ def condensedDistance(
 
     N = len(candidate_set)
 
-    # alternate form thanks to wolfram alpa
+    # alternate form thanks to Wolfram Alpha
     index = row * (2 * N - row - 3) // 2 + col - 1
 
     condensed_distances = numpy.ones(N * (N - 1) // 2, "f4")
diff --git a/tests/test_predicates.py b/tests/test_predicates.py
index 4df2c040..2f9b6c05 100644
--- a/tests/test_predicates.py
+++ b/tests/test_predicates.py
@@ -66,7 +66,7 @@ def test_precise_latlong(self):
         assert block_val == set()
 
 
-class TestAlpaNumeric(unittest.TestCase):
+class TestAlphaNumeric(unittest.TestCase):
     def test_alphanumeric(self):
         assert predicates.alphaNumericPredicate("a1") == {"a1"}
         assert predicates.alphaNumericPredicate("1a") == {"1a"}