diff --git a/docs/encoding.rst b/docs/encoding.rst
index d698cd3e17aa5e257fb8a5d4caf4065fb4f84acf..270e157ffaef097172aed5ee46b181c6d57551e4 100644
--- a/docs/encoding.rst
+++ b/docs/encoding.rst
@@ -7,13 +7,13 @@ are typically passed as a keyword argument `encoder` to various methods.
 
 For example you can generate a signing key and encode it in hex with:
 
-.. code:: python
+.. code-block:: python
 
     hex_key = nacl.signing.SigningKey.generate().encode(encoder=nacl.encoding.HexEncoder)
 
 Then you can later decode it from hex:
 
-.. code:: python
+.. code-block:: python
 
     signing_key = nacl.signing.SigningKey(hex_key, encoder=nacl.encoding.HexEncoder)
 
@@ -43,7 +43,7 @@ Defining your own Encoder
 Defining your own encoder is easy. Each encoder is simply a class with 2 static
 methods. For example here is the hex encoder:
 
-.. code:: python
+.. code-block:: python
 
     import binascii
 
diff --git a/docs/public.rst b/docs/public.rst
index 3090566bee258db6cdf714e9565be22512c3af43..7b165ceaa5ce597a9ca97e1a511a7a8154f4fc25 100644
--- a/docs/public.rst
+++ b/docs/public.rst
@@ -37,7 +37,7 @@ generated from both pairing of keys, so given two keypairs belonging to alice
 (pkalice, skalice) and bob(pkbob, skbob), the key derived from (pkalice, skbob)
 with equal that from (pkbob, skalice).  This is how the system works:
 
-.. code:: python
+.. code-block:: python
 
     import nacl.utils
     from nacl.public import PrivateKey, Box
diff --git a/docs/secret.rst b/docs/secret.rst
index 93c6e45298255e35b0d1a977396db5ac9420a275..82387973797bfe6220f457e7c2abd5ad56584fee 100644
--- a/docs/secret.rst
+++ b/docs/secret.rst
@@ -13,7 +13,7 @@ other than the length.
 Example
 -------
 
-.. code:: python
+.. code-block:: python
 
     import nacl.secret
     import nacl.utils
diff --git a/docs/signing.rst b/docs/signing.rst
index 076939ad02ce12ae728175aef3f74e5a126aee03..ea0d7a0e0ee657bc32ae085b37d721b34f155622 100644
--- a/docs/signing.rst
+++ b/docs/signing.rst
@@ -17,7 +17,7 @@ Example
 
 Signer's perspective (:class:`~nacl.signing.SigningKey`)
 
-.. code:: python
+.. code-block:: python
 
     import nacl.encoding
     import nacl.signing
@@ -36,7 +36,7 @@ Signer's perspective (:class:`~nacl.signing.SigningKey`)
 
 Verifier's perspective (:class:`~nacl.signing.VerifyKey`)
 
-.. code:: python
+.. code-block:: python
 
     import nacl.signing