diff --git a/python/aead/aead_key_templates.py b/python/aead/aead_key_templates.py
index 7693f6059152bb4976a82547dad8d6844ef93c8f..3c469502bbb1e38772887a5edb72bd7172b86a5b 100644
--- a/python/aead/aead_key_templates.py
+++ b/python/aead/aead_key_templates.py
@@ -14,7 +14,7 @@
 
 """Pre-generated KeyTemplate for Aead.
 
-One can use these templates to generate new tink_pb2.Keyset with
+One can use these templates to generate a new tink_pb2.Keyset with
 tink_pb2.KeysetHandle. To generate a new keyset that contains a single
 aes_eax_pb2.AesEaxKey, one can do:
 handle = keyset_handle.KeysetHandle(aead_key_templates.AES128_EAX).
diff --git a/python/daead/deterministic_aead_key_templates.py b/python/daead/deterministic_aead_key_templates.py
index c80a4bfb834855925fdcaafbc787ac5c718d4d30..1f68bed23c016613018dce1bbad29adbfad03cbf 100644
--- a/python/daead/deterministic_aead_key_templates.py
+++ b/python/daead/deterministic_aead_key_templates.py
@@ -14,7 +14,7 @@
 
 """Pre-generated KeyTemplate for DeterministicAead.
 
-One can use these templates to generate new tink_pb2.Keyset with
+One can use these templates to generate a new tink_pb2.Keyset with
 tink_pb2.KeysetHandle. To generate a new keyset that contains a single
 tink_pb2.HmacKey, one can do:
 handle = keyset_handle.KeysetHandle(aead_key_templates.AES128_EAX).
diff --git a/python/hybrid/hybrid_key_templates.py b/python/hybrid/hybrid_key_templates.py
index a79a92fa5d954f8dd25172bc37454373d03693f9..11afb192a6f944f5fbd648e7f35ff248223a51cc 100644
--- a/python/hybrid/hybrid_key_templates.py
+++ b/python/hybrid/hybrid_key_templates.py
@@ -14,7 +14,7 @@
 
 """Pre-generated KeyTemplate for HybridEncryption.
 
-One can use these templates to generate new tink_pb2.Keyset with
+One can use these templates to generate a new tink_pb2.Keyset with
 tink_pb2.KeysetHandle. To generate a new keyset that contains a single
 tink_pb2.HmacKey, one can do:
 handle = keyset_handle.KeysetHandle(mac_key_templates.HMAC_SHA256_128BITTAG).
diff --git a/python/signature/signature_key_templates.py b/python/signature/signature_key_templates.py
index 10915025ed1b2ff9336113f2ce3630eb2b5e44da..9ddd74743fddf37ec76bcb0a85bcc6a136ef2d19 100644
--- a/python/signature/signature_key_templates.py
+++ b/python/signature/signature_key_templates.py
@@ -14,7 +14,7 @@
 
 """Pre-generated KeyTemplate for PublicKeySign and PublicKeyVerify.
 
-One can use these templates to generate new tink_pb2.Keyset with
+One can use these templates to generate a new tink_pb2.Keyset with
 tink_pb2.KeysetHandle. To generate a new keyset that contains a single
 EcdsaPrivateKey, one can do: