fix link

labs/02-exploration-and-alert-authoring.md

@@ -181,6 +181,6 @@ In the above codeblock there are two key terms `sampleLimit` and `threshold`.
 For your lab exercise in this section choose the appropriate alert to do the following:
 
 1. Detect the creation of new tags on instances,  using simple alerts.  The API call should be `ec2:TagInstance`.  You can test this by adding a tag to a system in your account.
-**Solution:** A solution has been provided (here)['solutions/02-alert-writing.md']
+**Solution:** A solution has been provided [here](../solutions/02-alert-writing.md)
 
 > Note: In an upcoming lab you will be able to use an aggregation as part of an investigation.