Update Transactions.md (#1350)

Added a sentence for clarity and some punctuation marks.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

docs/Using-Pantheon/Transactions/Transactions.md

@@ -122,7 +122,7 @@ All accounts and private keys in the examples are from the `dev.json` genesis fi
     const privKey = Buffer.from('8f2a55949038a9610f50fb23b5883af3b4ecb3c3bb792cbcefbd1542c692be63', 'hex')
     
     // Compiled contract hash - can obtain from Remix by clicking the Details button in the Compile tab. 
-    // Compiled contract hash is value of data parameter in the WEB3DEPLOY section
+    // Compiled contract hash is value of data parameter in the WEB3DEPLOY section.
     const contractData = '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'
     
     // Get the address transaction count in order to specify the correct nonce
@@ -146,7 +146,7 @@ All accounts and private keys in the examples are from the `dev.json` genesis fi
 
 ## eth_call or eth_sendRawTransaction
 
-You can interact with contracts using [eth_call](../../Reference/JSON-RPC-API-Methods.md#eth_call) or [eth_sendRawTransaction](../../Reference/JSON-RPC-API-Methods.md#eth_sendrawtransaction). 
+You can interact with contracts using [eth_call](../../Reference/JSON-RPC-API-Methods.md#eth_call) or [eth_sendRawTransaction](../../Reference/JSON-RPC-API-Methods.md#eth_sendrawtransaction). The table below compares the characteristics of both calls.
 
 | eth_call                                                | eth_sendRawTransaction                                                                                                         |
 |---------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------|
@@ -155,4 +155,4 @@ You can interact with contracts using [eth_call](../../Reference/JSON-RPC-API-Me
 | Does not change state of blockchain                     | Updates blockchain (for example, transfers ether between accounts)                                                             |
 | Does not consume gas                                    | Requires gas                                                                                                                   |
 | Synchronous                                             | Asynchronous                                                                                                                   |
-| Return value of contract function available immediately | Returns transaction hash only.  Possible transaction may not be included in a block (for example, if the gas price is too low) |
+| Return value of contract function available immediately | Returns transaction hash only.  Possible transaction may not be included in a block (for example, if the gas price is too low). |