Updated docs example

Author: dreamorosi

docs/core/tracer.md

@@ -108,13 +108,13 @@ You can quickly start by importing the `Tracer` class, initialize it outside the
             // Add the error as metadata
             tracer.addErrorAsMetadata(err as Error);
             throw err;
+        } finally {
+            // Close subsegment (the AWS Lambda one is closed automatically)
+            subsegment.close();
+            // Set the facade segment as active again
+            tracer.setSegment(segment);
         }
 
-        // Close subsegment (the AWS Lambda one is closed automatically)
-        subsegment.close();
-        // Set the facade segment as active again
-        tracer.setSegment(segment);
-    
         return res;
     }
     ```

packages/tracing/README.md

@@ -85,13 +85,13 @@ export const handler = async (_event: any, context: any) => {
         // Add the error as metadata
         tracer.addErrorAsMetadata(err as Error);
         throw err;
+    } finally {
+        // Close subsegment (the AWS Lambda one is closed automatically)
+        subsegment.close();
+        // Set the facade segment as active again
+        tracer.setSegment(segment);
     }
 
-    // Close subsegment (the AWS Lambda one is closed automatically)
-    subsegment.close();
-    // Set the facade segment as active again
-    tracer.setSegment(segment);
- 
     return res;
 }
 ```

packages/tracing/src/Tracer.ts

@@ -98,13 +98,13 @@ import { Segment, Subsegment } from 'aws-xray-sdk-core';
  *       // Add the error as metadata
  *       tracer.addErrorAsMetadata(err as Error);
  *       throw err;
+ *   } finally {
+ *       // Close the subsegment
+ *       subsegment.close();
+ *       // Set the facade segment as active again
+ *       tracer.setSegment(segment);
  *   }
  *
- *  // Close subsegment (the AWS Lambda one is closed automatically)
- *   subsegment.close();
- *   // Set the facade segment as active again
- *   tracer.setSegment(segment);
- * 
  *   return res;
  * }
  * ```