Update enderslime island picture in the book

src/main/resources/assets/tconstruct/book/tinkers_gadgetry/en_us/exploration/island/enderslime.json

@@ -7,7 +7,7 @@
   },
   "text": [
     {
-      "text": "Enderslime islands can be found around the outer islands in the end as a breeding ground for ender slimes. I believe skyslimes and enderslimes were once the same before they came to our world, but living in their separate environments changed them."
+      "text": "Enderslime islands can be found around the outer islands in the end as a breeding ground for enderslimes. I believe skyslimes and enderslimes were once the same before they came to our world, but living in their separate environments changed them."
     }
   ]
 }