fix sample code in perplexity-chat.adoc (#2205)

Signed-off-by: birariro <[email protected]>

Author: birariro

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/chat/perplexity-chat.adoc

@@ -141,13 +141,14 @@ ChatResponse response = chatModel.call(
     new Prompt(
         "Generate the names of 5 famous pirates.",
         OpenAiChatOptions.builder()
-            .withModel("llama-3.1-sonar-large-128k-online")
-            .withTemperature(0.4)
+            .model("llama-3.1-sonar-large-128k-online")
+            .temperature(0.4)
         .build()
     ));
 ----
 
-TIP: In addition to the model specific https://github.com/spring-projects/spring-ai/blob/main/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatOptions.java[OpenAiChatOptions] you can use a portable https://github.com/spring-projects/spring-ai/blob/main/spring-ai-core/src/main/java/org/springframework/ai/chat/prompt/ChatOptions.java[ChatOptions] instance, created with the https://github.com/spring-projects/spring-ai/blob/main/spring-ai-core/src/main/java/org/springframework/ai/chat/prompt/ChatOptionsBuilder.java[ChatOptionsBuilder#builder()].
+TIP: In addition to the model specific https://github.com/spring-projects/spring-ai/blob/main/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatOptions.java[OpenAiChatOptions] you can use a portable https://github.com/spring-projects/spring-ai/blob/main/spring-ai-core/src/main/java/org/springframework/ai/chat/prompt/ChatOptions.java[ChatOptions] instance, created with the https://github.com/spring-projects/spring-ai/blob/main/spring-ai-core/src/main/java/org/springframework/ai/chat/prompt/ChatOptions.java#L97[ChatOptions#builder()].
+
 
 == Function Calling