Update docs

Author: kclowes

docs/web3.eth.rst

@@ -582,11 +582,17 @@ The following methods are available on the ``web3.eth`` namespace.
 
     Returns the raw form of transaction specified by ``transaction_hash``.
 
+    If no transaction is found, ``HexBytes('0x')`` is returned.
+
     .. code-block:: python
 
-        >>> web3.eth.get_transaction('0x86fbfe56cce542ff0a2a2716c31675a0c9c43701725c4a751d20ee2ddf8a733d')
+        >>> web3.eth.get_raw_transaction('0x86fbfe56cce542ff0a2a2716c31675a0c9c43701725c4a751d20ee2ddf8a733d')
         HexBytes('0xf86907843b9aca0082520894dc544d1aa88ff8bbd2f2aec754b1f1e99e1812fd018086eecac466e115a0f9db4e25484b28f486b247a372708d4cd0643fc63e604133afac577f4cc1eab8a044841d84e799d4dc18ba146816a937e8a0be8bc296bd8bb8aea126de5e627e06')
 
+        # transaction with this hash doesn't exist
+        >>> web3.eth.get_raw_transaction('0x544993abb4fc859455bde231b9f45397cba614845163126f9df170b7bdbaa413')
+        HexBytes('0x')
+
 
 .. py:method:: Eth.getTransactionFromBlock(block_identifier, transaction_index)
 
@@ -760,7 +766,7 @@ The following methods are available on the ``web3.eth`` namespace.
       that goes to the miner
     * ``gasPrice``: ``integer`` - Integer of the gasPrice used for each paid gas
       **LEGACY** - unless you have good reason to, use ``maxFeePerGas``
-      and ``maxPriorityFeePerGas`` instead. 
+      and ``maxPriorityFeePerGas`` instead.
     * ``value``: ``integer`` - (optional) Integer of the value send with this
       transaction
     * ``data``: ``bytes or text`` - The compiled code of a contract OR the hash