fix: improve sdk documentation

src/docs/delightful-developer-metrics/sending-metrics-sdk.mdx

@@ -13,10 +13,10 @@ This is the recommended way to send metrics. We want to dogfood SDK methods to f
 
 In case you are looking to use the new metrics feature directly from the Python SDK you can do it as follows.
 
-First, you have to use at least the `1.34.0` version of the `sentry-python` SDK and add that as your dependency. For example:
+First, you have to use at least the `1.38.0` version of the `sentry-python` SDK and add that as your dependency. For example:
 
 ```
-sentry-sdk @ 1.34.0
+sentry-sdk @ 1.38.0
 ```
 
 Once the SDK is installed you have to add experimental flag into your SDK init:
@@ -25,11 +25,13 @@ Once the SDK is installed you have to add experimental flag into your SDK init:
 import sentry_sdk
 
 sentry_sdk.init(
-    # ...
+    ...
     _experiments={
-      "enable_metrics": True,
+        # Turns on the metrics module (required)
+        "enable_metrics": True,
+        # Enables sending of code locations for metrics (recommended)
+        "metric_code_locations": True,
     },
-    # ...
 )
 ```
 
@@ -70,6 +72,7 @@ metrics.gauge(
     tags=tags,
 )
 ```
+
 If you want to measure how much time a specific piece of code takes, you can use:
 
 ```python

src/docs/delightful-developer-metrics/ui.mdx

@@ -11,6 +11,7 @@ In order to plot your metrics, we have developed a prototype user interface, whi
 
 The first step towards using the UI is to enable it, since right now it’s feature flagged. 
 These two flags need to be turned on:
+
 - `organizations:custom-metrics` - controls ingestions and UI
 - `organizations:ddm-ui` - controls UI