diff --git a/src/main/java/net/knarcraft/paidsigns/command/AddCommand.java b/src/main/java/net/knarcraft/paidsigns/command/AddCommand.java
index b8f6915..eed78d9 100644
--- a/src/main/java/net/knarcraft/paidsigns/command/AddCommand.java
+++ b/src/main/java/net/knarcraft/paidsigns/command/AddCommand.java
@@ -2,6 +2,8 @@ package net.knarcraft.paidsigns.command;
 
 import net.knarcraft.paidsigns.PaidSigns;
 import net.knarcraft.paidsigns.container.PaidSign;
+import net.knarcraft.paidsigns.formatting.StringFormatter;
+import net.knarcraft.paidsigns.formatting.TranslatableMessage;
 import net.knarcraft.paidsigns.manager.PaidSignManager;
 import net.knarcraft.paidsigns.property.OptionState;
 import org.bukkit.command.Command;
@@ -31,7 +33,7 @@ public class AddCommand extends TokenizedCommand {
         try {
             cost = Double.parseDouble(arguments.get(1));
         } catch (NumberFormatException exception) {
-            sender.sendMessage("You provided an invalid number");
+            sender.sendMessage(StringFormatter.getTranslatedErrorMessage(TranslatableMessage.ERROR_INVALID_NUMBER));
             return false;
         }
         String permission = "";
@@ -67,21 +69,21 @@ public class AddCommand extends TokenizedCommand {
         try {
             PaidSign sign = new PaidSign(signName, cost, permission, ignoreCase, ignoreColor);
             if (manager.getPaidSign(signName) != null) {
-                sender.sendMessage("A paid sign with the same name already exists");
+                sender.sendMessage(StringFormatter.getTranslatedErrorMessage(TranslatableMessage.ERROR_NAME_DUPLICATE));
                 return false;
             }
             manager.addPaidSign(sign);
-            sender.sendMessage("Successfully added new paid sign");
+            sender.sendMessage(StringFormatter.getTranslatedInfoMessage(TranslatableMessage.SUCCESS_ADDED_PAID_SIGN));
             return true;
         } catch (IOException e) {
             Logger logger = PaidSigns.getInstance().getLogger();
-            logger.log(Level.SEVERE, "Exception encountered while trying to write " +
-                    "to the data file");
+            logger.log(Level.SEVERE, "Exception encountered while trying to write to the data file:");
             logger.log(Level.SEVERE, Arrays.toString(e.getStackTrace()));
-            sender.sendMessage("An exception occurred. Please notify the server administrator or check the server log.");
+            sender.sendMessage(StringFormatter.getTranslatedErrorMessage(TranslatableMessage.ERROR_EXCEPTION_OCCURRED));
             return false;
         } catch (IllegalArgumentException e) {
-            sender.sendMessage("Invalid input: " + e.getMessage());
+            sender.sendMessage(StringFormatter.replacePlaceholder(StringFormatter.getTranslatedErrorMessage(
+                    TranslatableMessage.ERROR_INVALID_INPUT), "{input}", e.getMessage()));
         }
         return false;
     }