Days Remaining in Sprint gadget is showing an HTML attribute

Summary

When customer select the gadget "Days Remaining in Sprint" using the default language as "Portuguese (Brazil)", the gadget shows an HTML attribute (<STRONG>) near the days remaining.
This is not reproducible while using English language.

Steps to Reproduce

1. Change the default language to Portuguese (Brazil)
2. Add the gadget "Days Remaining in Sprint"
3. The gadget will show a <STRONG> near to the days remaining (screenshot attached)

Expected Results

Don't show the <STRONG> attribute

Actual Results

Show the <STRONG> attribute