update faq content table

Author: xiazhvera

documents/FAQ.md

@@ -11,6 +11,7 @@
 * [How do I build and use the Android SDK?](#how-do-i-build-and-use-the-android-sdk)
 * [Where can I find MQTT 311 Samples?](#where-can-i-find-mqtt-311-samples)
 * [I still have more questions about this sdk?](#i-still-have-more-questions-about-this-sdk)
+* [How can I improve the library size? ](#how-can-i-improve-the-library-size)
 
 ### Where should I start?
 
@@ -123,37 +124,39 @@ Instructions for building, installing, and use of the Android SDK can be found [
 ### Where can I find MQTT 311 Samples?
 The MQTT 311 Samples can be found in the v1.27.2 samples folder [here](https://github.com/aws/aws-iot-device-sdk-java-v2/tree/v1.27.2/samples)
 
-### The library size is large, can I improve it?
-The SDK depends on aws-crt-java(CRT) library, which deploys native binaries for multiple platforms and results in a huge size. You can try the following options to reduce the package size.
-1. Use platform-specific dependencies
-Instead of including all platform binaries, specify only the platforms you need. 
-Sample to use classifier from aws-crt:
-    ```
-    <dependency>
-        <groupId>software.amazon.awssdk.crt</groupId>
-        <artifactId>aws-crt</artifactId>
-        <version>0.39.0</version>
-        <classifier>linux-x86_64</classifier> <!-- Only Linux 64-bit -->
-    </dependency>
-    ```
-    Checkout aws-crt-java [available classifier](https://github.com/awslabs/aws-crt-java/tree/main?tab=readme-ov-file#available-classifiers)
-
-2. Build CRT and SDK from source
-You can also build the CRT library and SDK from source
-    
-    a. [Build aws-crt library from source](https://github.com/awslabs/aws-crt-java/tree/main?tab=readme-ov-file#platform)
-    
-    b. Update SDK to use local CRT build. 
-        Update the `sdk/pom.xml` dependencies:
-
-            <dependency>
-                <groupId>software.amazon.awssdk.crt</groupId>
-                <artifactId>aws-crt</artifactId>
-                <version>1.0.0-SNAPSHOT</version>
-            </dependency>
-
-            
-    c. [Build the SDK from source](https://github.com/aws/aws-iot-device-sdk-java-v2/blob/main/documents/DEVELOPING.md#building-from-source)
+### How can I improve the library size?
+
+The SDK depends on aws-crt-java, which includes native binaries for multiple platforms (~50MB total). Here are two approaches to reduce size:
+
+#### Option 1: Use Platform-Specific Dependencies
+
+Use classifiers to include only your target platform's binaries:
+
+```xml
+<dependency>
+    <groupId>software.amazon.awssdk.crt</groupId>
+    <artifactId>aws-crt</artifactId>
+    <version>0.39.0</version>
+    <classifier>linux-x86_64</classifier> <!-- Only Linux 64-bit -->
+</dependency>
+```
+
+See [all available classifiers](https://github.com/awslabs/aws-crt-java/tree/main?tab=readme-ov-file#available-classifiers).
+
+#### Option 2: Build from Source
+
+For maximum control, build both CRT and SDK locally:
+
+1. [Build aws-crt-java from source](https://github.com/awslabs/aws-crt-java/tree/main?tab=readme-ov-file#platform)
+2. Update `sdk/pom.xml` to use local aws-crt build:
+   ```xml
+   <dependency>
+       <groupId>software.amazon.awssdk.crt</groupId>
+       <artifactId>aws-crt</artifactId>
+       <version>1.0.0-SNAPSHOT</version>
+   </dependency>
+   ```
+3. [Build the SDK from source](./DEVELOPING.md#building-from-source)
 
 
 ### I still have more questions about this sdk?