Updated GRP count in introduction

FGRP1_discoveries.html

@@ -44,7 +44,7 @@ combination, these improvements led to FGRP4 being our most sensitive survey to
 
 <p>We are very pleased to be able to announce the first set of results from FGRP4. Including the
 discovery of PSR J1906+0722 at the beginning of this survey, these bring the total number of
-gamma-ray pulsars discovered by our Einstein@Home volunteers to 18. You can find the details and
+gamma-ray pulsars discovered by our Einstein@Home volunteers to 19. You can find the details and
 plots of all the new discoveries below!</p>
 
 <p>Currently we are working very hard to study all of the results from FGRP4, and we are hoping to