Fix strange grammar in "enableElytra"

src/main/java/ganymedes01/etfuturum/configuration/configs/ConfigMixins.java

@@ -66,7 +66,7 @@ protected void syncConfigOptions() {
 		avoidDroppingItemsWhenClosing = cfg.getBoolean("avoidDroppingItemsWhenClosing", catBackport, false, "Experimental: avoid dropping items when closing an inventory, like in modern versions.\nModified Classes: net.minecraft.entity.player.EntityPlayerMP");
 		enableSpectatorMode = cfg.getBoolean("enableSpectatorMode", catBackport, true, "VERY EXPERIMENTAL!\nModified Classes: net.minecraft.world.WorldSettings.GameType net.minecraft.entity.Entity net.minecraft.world.World net.minecraft.entity.player.EntityPlayer net.minecraft.network.NetHandlerPlayServer\nModified Client Classes: net.minecraft.client.renderer.EntityRenderer net.minecraft.entity.player.EntityPlayer net.minecraft.client.renderer.WorldRenderer");
 
-		enableElytra = cfg.getBoolean("enableElytra", catBackport, true, "Enables the elytra item. If you get crashing related to the data watcher, see if changing \"elytraDataWatcherFlag\" in functions.cfg and don't open an issue if changing that value fixes it.\nModified Classes: net.minecraft.entity.EntityLivingBase net.minecraft.entity.player.EntityPlayer net.minecraft.entity.EntityTrackerEntry net.minecraft.network.NetHandlerPlayServer net.minecraft.client.entity.AbstractClientPlayer net.minecraft.client.entity.EntityPlayerSP net.minecraft.client.model.ModelBiped net.minecraft.client.renderer.entity.RenderPlayer");
+		enableElytra = cfg.getBoolean("enableElytra", catBackport, true, "If you're getting crash related to the DataWatcher, try changing \"elytraDataWatcherFlag\" in functions.cfg and don't open an issue if changing that value fixes it.\nModified Classes: net.minecraft.entity.EntityLivingBase net.minecraft.entity.player.EntityPlayer net.minecraft.entity.EntityTrackerEntry net.minecraft.network.NetHandlerPlayServer net.minecraft.client.entity.AbstractClientPlayer net.minecraft.client.entity.EntityPlayerSP net.minecraft.client.model.ModelBiped net.minecraft.client.renderer.entity.RenderPlayer");
 		enableNewElytraTakeoffLogic = cfg.getBoolean("enableNewElytraTakeoffLogic", catBackport, true, "When enabled, the 1.15+ elytra takeoff logic is used, when disabled, the 1.9-1.14 elytra takeoff logic is used.");
 		enableDoWeatherCycle = cfg.getBoolean("enableDoWeatherCycle", catBackport, true, "Add the doWeatherCycle game rule from 1.11+");
 		creativeFlightSpeedModifier = cfg.getFloat("creativeFlightSpeedModifier", catBackport, 2, 1, 4, "When greater than 1, boosts creative flight speed when sprinting, like in newer versions");