fix: small readme fix (#80)

CZ_JIRA_PREFIX had 'will be' twice.

Author: eranshapira

README.md

@@ -61,7 +61,7 @@ Like commitizen, you can specify the configuration of cz-conventional-changelog-
 | CZ_BODY              | defaultBody     | undefined         | A default body.                                                                                                                                                         |
 | CZ_ISSUES            | defaultIssues   | undefined         | A default issue.                                                                                                                                                        |
 | CZ_JIRA_OPTIONAL     | jiraOptional    | false             | If this is set to true, you can leave the JIRA field blank.                                                                                                             |
-| CZ_JIRA_PREFIX       | jiraPrefix      | "DAZ"             | If this is set it will be will be displayed as the default JIRA ticket prefix                                                                                           |
+| CZ_JIRA_PREFIX       | jiraPrefix      | "DAZ"             | If this is set it will be displayed as the default JIRA ticket prefix                                                                                           |
 | CZ_JIRA_LOCATION     | jiraLocation    | "pre-description" | Changes position of JIRA ID. Options: `pre-type`, `pre-description`, `post-description`, `post-body`                                                                    |
 | CZ_JIRA_PREPEND      | jiraPrepend     | ""                | Prepends JIRA ID with an optional decorator. e.g.: `[DAZ-1234`                                                                                                          |
 | CZ_JIRA_APPEND       | jiraAppend      | ""                | Appends JIRA ID with an optional decorator. e.g.: `DAZ-1234]`                                                                                                           |