Apply suggestion from @HonkingGoose

Author: HonkingGoose

src/app/cheat-sheets/game-base/fluid-wagon-transfer/fluid-wagon-transfer.component.html

@@ -10,7 +10,7 @@
         <li>
           You need
           {{ sheetData ? sheetData.fluidWagonSize / sheetData.storageTankSize : '???' }}
-          <a href="https://wiki.factorio.com/Storage_tank" target="_blank" rel="noopener">Storage tanks</a> to empty one Fluid wagon (50,000 units of fluids ).
+          <a href="https://wiki.factorio.com/Storage_tank" target="_blank" rel="noopener">Storage tanks</a> to empty one Fluid wagon (50,000 units of fluids).
         </li>
         <li>
           <a href="https://wiki.factorio.com/Pump#Throughput" target="_blank" rel="noopener">Pumps</a>