diff --git a/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/ArmeriaClientTelemetryBuilder.java b/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/ArmeriaClientTelemetryBuilder.java
index 88a102c5740a..8bdfecd45eef 100644
--- a/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/ArmeriaClientTelemetryBuilder.java
+++ b/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/ArmeriaClientTelemetryBuilder.java
@@ -28,7 +28,7 @@ public final class ArmeriaClientTelemetryBuilder {
     ArmeriaInstrumenterBuilderUtil.setClientBuilderExtractor(builder -> builder.builder);
     Experimental.internalSetEmitExperimentalClientTelemetry(
         (builder, emit) -> builder.builder.setEmitExperimentalHttpClientMetrics(emit));
-    Experimental.setSetClientPeerService(
+    Experimental.internalSetClientPeerService(
         (builder, peerService) -> builder.builder.setPeerService(peerService));
   }
 
diff --git a/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/internal/Experimental.java b/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/internal/Experimental.java
index c6f4bf8df35c..5c53108fb970 100644
--- a/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/internal/Experimental.java
+++ b/instrumentation/armeria/armeria-1.3/library/src/main/java/io/opentelemetry/instrumentation/armeria/v1_3/internal/Experimental.java
@@ -59,7 +59,7 @@ public static void internalSetEmitExperimentalServerTelemetry(
     Experimental.setEmitExperimentalServerTelemetry = setEmitExperimentalServerTelemetry;
   }
 
-  public static void setSetClientPeerService(
+  public static void internalSetClientPeerService(
       BiConsumer<ArmeriaClientTelemetryBuilder, String> setClientPeerService) {
     Experimental.setClientPeerService = setClientPeerService;
   }