Added more spacing fixes

Author: jun-hara

index.js

@@ -175,7 +175,7 @@ async function main() {
         const body = `This issue has been inactive for ${timeInactiveInHours} ` +
                      `hours (${(timeInactiveInHours/24).toFixed(2)} days) ` +
                      `and will be automatically unassigned after ${willBeUnassignedInHours} ` +
-                     `more hours (${(willBeUnassignedInHours/24).toFixed(2)} days).` +
+                     `more hours (${(willBeUnassignedInHours/24).toFixed(2)} days). ` +
                      `If you need help or have questions, please visit slack during ` + 
                      `office hours (Tuesdays 6-8 PM PST) in the #casa channel. ` + 
                      `Link to slack: https://rubyforgood.herokuapp.com/ \n\n` +