docs - identify from as optional when a template is in use

Author: Mike Astle

README.md

@@ -109,7 +109,7 @@ try {
 | useDraftTemplate | no          | Field for allowing the sending of a transmission using a draft of a stored template (default: false)                       | Boolean          |
 | replyTo          | no          | Field for specifying the email address that should be used when a recipient hits the reply button                          | String           |
 | subject          | yes         | Field for setting the subject line of a given transmission                                                                 | String           |
-| from             | yes         | Field for setting the from line of a given transmission                                                                    | String or Object |
+| from             | yes**       | Field for setting the from line of a given transmission                                                                    | String or Object |
 | html             | yes**       | Field for setting the HTML content of a given transmission                                                                 | String           |
 | text             | yes**       | Field for setting the Plain Text content of a given transmission                                                           | String           |
 | rfc822           | no**        | Field for setting the RFC-822 encoded content of a given transmission                                                      | String           |
@@ -118,7 +118,7 @@ try {
 | recipients       | yes**       | Field for specifying who a given transmission should be sent to                                                            | Array of Objects |
 | recipientList    | no**        | Field for specifying a stored recipient list ID to be used for a given transmission                                        | String           |
 
-** - If using inline content then html or text are required. If using RFC-822 Inline Content, then rfc822 is required. If using a stored recipient list, then recipientList is required. If using a stored template, then template is required.
+** - If using inline content then html or text are required. If using RFC-822 Inline Content, then rfc822 is required. If using a stored recipient list, then recipientList is required. If using a stored template, then template is required but from is not as the values from the template will be used.
 
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