Fixed link to substitution tags

Matt Bernier · Matt Bernier · commit 1f94525097f4 · 2014-10-22T12:18:42.000-06:00
closes sendgrid#614
diff --git a/source/API_Reference/SMTP_API/unique_arguments.md b/source/API_Reference/SMTP_API/unique_arguments.md
@@ -44,7 +44,7 @@ These arguments can then be seen in posts from the [SendGrid Event Webhook]({{ro
 
 Unique Arguments will also be shown in the [Email Activity tab](https://sendgrid.com/logs/index) of your account.
 
-To apply different unique arguments to individual emails, you may use [substitution tags]({{root_url}}/API_Reference/SMTP_API/unique_arguments.html). An example of this would look like:
+To apply different unique arguments to individual emails, you may use [substitution tags]({{root_url}}/API_Reference/SMTP_API/substitution_tags.html). An example of this would look like:
 
 {% codeblock lang:json %}
 {

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ These arguments can then be seen in posts from the [SendGrid Event Webhook]({{ro`
`44`	`44`
`45`	`45`	`Unique Arguments will also be shown in the [Email Activity tab](https://sendgrid.com/logs/index) of your account.`
`46`	`46`
`47`		`-To apply different unique arguments to individual emails, you may use [substitution tags]({{root_url}}/API_Reference/SMTP_API/unique_arguments.html). An example of this would look like:`
	`47`	`+To apply different unique arguments to individual emails, you may use [substitution tags]({{root_url}}/API_Reference/SMTP_API/substitution_tags.html). An example of this would look like:`
`48`	`48`
`49`	`49`	`{% codeblock lang:json %}`
`50`	`50`	`{`