import moment from 'moment';

moment.updateLocale('en', {
  relativeTime: {
    future: 'in %s',
    past: '%s ago',
    s: 'seconds',
    m: 'a minute',
    mm: '%d minutes',
    h: 'an hour',
    hh: '%d hours',
    d: 'a day',
    dd: '%d days',
    M: 'a month',
    MM: '%d months',
    y: 'a year',
    yy: '%d years'
  }
});

import moment from 'moment';

moment.updateLocale('en', {
  relativeTime: {
    future: 'in %s',
    past: '%s ago',
    s: 'secs',
    m: 'a minute',
    mm: '%d mins',
    h: 'an hour',
    hh: '%d hrs',
    d: 'a day',
    dd: '%d days',
    M: 'a month',
    MM: '%d mos',
    y: 'a year',
    yy: '%d yrs'
  }
});

--- 
+++ 
@@ -4,16 +4,16 @@
   relativeTime: {
     future: 'in %s',
     past: '%s ago',
-    s: 'secs',
+    s: 'seconds',
     m: 'a minute',
-    mm: '%d mins',
+    mm: '%d minutes',
     h: 'an hour',
-    hh: '%d hrs',
+    hh: '%d hours',
     d: 'a day',
     dd: '%d days',
     M: 'a month',
-    MM: '%d mos',
+    MM: '%d months',
     y: 'a year',
-    yy: '%d yrs'
+    yy: '%d years'
   }
 });
Use whole words for date strings
