Editing a Metric on the App
To edit a Metric that was entered. Select the Journal ( Home Icon) on the bottom of the app. You should see the Metric that was entered on your timeline. You will also see three dots to the right of the post ("..") for options.
Once you select the 3 dots, you are giving a few options to Edit the post or Delete it.
If Edit is selected, you are given the option to edit the entry.