diff --git a/LatLng.php b/LatLng.php
index 7fdc079c1..e149f19ba 100644
--- a/LatLng.php
+++ b/LatLng.php
@@ -257,9 +257,7 @@ public function toIreland1975()
     }
 
     /**
-     * Convert this LatLng object from WGS84 datum to Ireland 1975 datum.
-     * Reference values for transformation are taken from OSI document
-     * "Making maps compatible with GPS"
+     * Convert this LatLng object to WGS84 datum
      * @return void
      */
     public function toWGS84() {