update wiki

Embedding.md

@@ -15,7 +15,7 @@ It highlights functionality such as:
 
 ## Usage
 
-To use face similarity compare feature, you must first enable `face.description` module  
+To use face similarity compare feature, make sure `face.description` module is enabled (default)  
 to calculate embedding vectors *(a.k.a. face descriptors)* for both all images you want to compare  
 
 To achieve accurate results, it is also highly recommended to have `face.mesh` and `face.detection.rotation`  
@@ -42,7 +42,7 @@ const similarity = human.similarity(firstResult.face[0].embedding, secondResult.
 console.log(`faces are ${100 * similarity}% simmilar`);
 ```
 
-If the image or video frame have multiple faces and you want to match all of them, simply loop through all `results.face`
+If the image or video frame have multiple faces and you want to match all of them, simply loop through all `results.face`  
 
 ```js
 for (let i = 0; i < currentResult.face.length; i++) {
@@ -52,6 +52,15 @@ for (let i = 0; i < currentResult.face.length; i++) {
 }
 ```
 
+However, note that default configuration only detects first face in the frame, so increase maximum number of detected faces as well:
+```js
+const myConfig = {
+  face: {
+    detector: { maxDetected: 100 },
+  },
+};
+```
+
 Additional helper function is `human.enhance(face)` which returns an enhanced tensor  
 of a face image that can be further visualized with