update

Author: thomas-k-cameron

codegen-client/src/main/kotlin/software/amazon/smithy/rust/codegen/client/smithy/customize/SerdeDecorator.kt

@@ -39,18 +39,18 @@ class SerdeDecorator : ClientCodegenDecorator {
 
 class SerdeDocGenerator(private val codegenContext: ClientCodegenContext) : LibRsCustomization() {
     override fun section(section: LibRsSection): Writable {
-        if (section is LibRsSection.ModuleDoc) {
-            return writable {
+        return if (section is LibRsSection.ModuleDoc && section.subsection is ModuleDocSection.UnstableFeature) {
+            writable {
                 """
-                ### How to enable `Serialize` and `Deserialize`
-                This data type implements `Serialize` and `Deserialize` traits from the popular serde crate,
-                but those traits are behind feature gate.
-
-                As they increase it's compile time dramatically, you should not turn them on unless it's necessary.
-                """.trimIndent()
+                    ## How to enable `Serialize` and `Deserialize`
+                    This data type implements `Serialize` and `Deserialize` traits from the popular serde crate,
+                    but those traits are behind feature gate.
+    
+                    As they increase it's compile time dramatically, you should not turn them on unless it's necessary.
+                    """.trimIndent()
             }
         } else {
-            return emptySection
+            emptySection
         }
     }
 }