Update related_website_sets.JSON

Author: cfredric

related_website_sets.JSON

@@ -43,7 +43,7 @@
         "https://wpext.pl"
       ],
       "rationaleBySite": {
-        "https://o2.pl": "News portal and email service",
+        "https://o2.pl": "News portal and emil service",
         "https://pudelek.pl": "Special Interest Website - celebrity news and gossip",
         "https://money.pl": "Special Interest Website - news and information on the stock market, currencies, business and economics",
         "https://abczdrowie.pl": "Special Interest Website - healthy living and medical health",