diff --git a/README.md b/README.md
index c7880d12..339adbb0 100644
--- a/README.md
+++ b/README.md
@@ -285,7 +285,7 @@ To update the firmware of a Silabs target with a local firmware file (for exampl
 This file has to be a binary file with a valid Booter and CLR from a build. No checks or validations are performed on the file(s) content.
 
 ```console
-nanoff --update --platform gg11 --binfile "C:\nf-interpreter\build\nanobooter-nanoclr.bin" --address 0x0
+nanoff --update --platform efm32 --binfile "C:\nf-interpreter\build\nanobooter-nanoclr.bin" --address 0x0
 ```
 
 ### Deploy a managed application to a SL_STK3701A target
diff --git a/nanoFirmwareFlasher.Library/SupportedPlatform.cs b/nanoFirmwareFlasher.Library/SupportedPlatform.cs
index 17d25537..0b59a049 100644
--- a/nanoFirmwareFlasher.Library/SupportedPlatform.cs
+++ b/nanoFirmwareFlasher.Library/SupportedPlatform.cs
@@ -22,9 +22,15 @@ public enum SupportedPlatform
         /// TI Simplelink.
         /// </summary>
         ti_simplelink = 2,
+
+        /// <summary>
+        /// Silabs EFM32 Gecko.
+        /// </summary>
+        efm32,
+
         /// <summary>
-        /// Silabs GG11.
+        /// NXP.
         /// </summary>
-        gg11
+        nxp
     }
 }
diff --git a/nanoFirmwareFlasher.Tool/Options.cs b/nanoFirmwareFlasher.Tool/Options.cs
index 97fd6a63..665ed8f9 100644
--- a/nanoFirmwareFlasher.Tool/Options.cs
+++ b/nanoFirmwareFlasher.Tool/Options.cs
@@ -216,7 +216,7 @@ public class Options
             "platform",
             Required = false,
             Default = null,
-            HelpText = "Target platform. Acceptable values are: esp32, stm32, cc13x2, gg11.")]
+            HelpText = "Target platform. Acceptable values are: esp32, stm32, cc13x2, efm32.")]
         public SupportedPlatform? Platform { get; set; }
 
         /// <summary>
diff --git a/nanoFirmwareFlasher.Tool/Program.cs b/nanoFirmwareFlasher.Tool/Program.cs
index e45b0f2c..20b1028e 100644
--- a/nanoFirmwareFlasher.Tool/Program.cs
+++ b/nanoFirmwareFlasher.Tool/Program.cs
@@ -487,8 +487,8 @@ static async Task RunOptionsAndReturnExitCodeAsync(Options o)
                     }
                     else if (o.TargetName.StartsWith("SL"))
                     {
-                        // candidates for Silabs GG11
-                        o.Platform = SupportedPlatform.gg11;
+                        // candidates for Silabs EFM32 Gecko
+                        o.Platform = SupportedPlatform.efm32;
                     }
                     else
                     {
@@ -522,10 +522,10 @@ static async Task RunOptionsAndReturnExitCodeAsync(Options o)
                 {
                     o.Platform = SupportedPlatform.stm32;
                 }
-                // GG11 related
+                // EFM32 related
                 else if (o.ListJLinkDevices)
                 {
-                    o.Platform = SupportedPlatform.gg11;
+                    o.Platform = SupportedPlatform.efm32;
                 }
                 // drivers install
                 else if (o.TIInstallXdsDrivers)
@@ -708,7 +708,7 @@ static async Task RunOptionsAndReturnExitCodeAsync(Options o)
 
             #region Silabs Giant Gecko S1 platform options
 
-            if (o.Platform == SupportedPlatform.gg11)
+            if (o.Platform == SupportedPlatform.efm32)
             {
                 var manager = new SilabsManager(o, _verbosityLevel);
 
diff --git a/nanoFirmwareFlasher.Tool/SilabsManager.cs b/nanoFirmwareFlasher.Tool/SilabsManager.cs
index 2b908cf6..36d0faf3 100644
--- a/nanoFirmwareFlasher.Tool/SilabsManager.cs
+++ b/nanoFirmwareFlasher.Tool/SilabsManager.cs
@@ -22,7 +22,7 @@ public SilabsManager(Options options, VerbosityLevel verbosityLevel)
                 throw new ArgumentNullException(nameof(options));
             }
 
-            if (options.Platform != SupportedPlatform.gg11)
+            if (options.Platform != SupportedPlatform.efm32)
             {
                 throw new NotSupportedException($"{nameof(options)} - {options.Platform}");
             }
@@ -38,7 +38,7 @@ public async Task<ExitCodes> ProcessAsync()
             {
                 OutputWriter.ForegroundColor = ConsoleColor.Red;
                 OutputWriter.WriteLine();
-                OutputWriter.WriteLine($"Cannot determine the best matching target for a {SupportedPlatform.gg11} device.");
+                OutputWriter.WriteLine($"Cannot determine the best matching target for a {SupportedPlatform.efm32} device.");
                 OutputWriter.WriteLine();
                 OutputWriter.ForegroundColor = ConsoleColor.White;
                 return ExitCodes.OK;