Changed README for AspNetCore/OT.

libraries/JGUZDV.AspNetCore.Extensions.OpenTelemetry/README.md

@@ -10,16 +10,22 @@ the needed services to a WebApplicationBuilder:
 builder.AddJGUZDVOpenTelemetry();
 ´´´
 
-Basic configuration settings needed to initialize the services are 
-the following:
+Basic configuration settings to initialize the services must be configured as 
+in the following example:
 
 ´´´
-  "AzureMonitor": {
-    "ConnectionString": "InstrumentationKey=<AzureMonitorInstrumentationKey>",
+  "OpenTelemetry": {
+    "AzureMonitor": {
+      "ConnectionString": "<AzureMonitorInstrumentationKey>",
+    },
     "ServiceNamespace": "<WebAppNamespace>",
     "ServiceName": "<WebAppName>"
   }
 ´´´
 
-Note: If no "AzureMonitoring" section can be found, nothing will happen
-at all.
+Note: If no "OpenTelemetry" section can be found, nothing will happen
+at all. If such a section is present, all parameters need to be set
+as presented in the example. WebAppNamespace should be something summarizing,
+and WebAppName should be the concrete and unique name of the WebApp. 
+The name and namespace parameters should be about 10 to 15 characters,
+with no whitespaces or special characters.