Update README.md

Author: jasoncdavis0

README.md

@@ -191,10 +191,12 @@ To generate `symbols.zip` archive make sure:
 * you checked `Create symbols.zip` in the Build settings window
 ![Create symbols.zip](./Documentation~/images/symbols.png)
 
-To upload symbols to Backtrace, you need to rename symbols generated by Unity end simply with a `.so` extension. By default, symbol files within the .zip will end with extension `.sym.so`. or `.dbg.so` Backtrace will only match symbols to files based on the ending with `.so` extension. Please ensure all files have a single `.so` extention before uploading the zip. To upload symbols please go to your project settings, to the `Upload an archive` tab under `Symbols` section. 
-
 Backtrace offers to upload symbols automatically from Unity Editor to your Backtrace instance. Backtrace symbols upload pipeline will be triggered after successfull build of il2cpp Android game and when Symbols upload token is available in Backtrace Client options. After successfull build, upload pipeline will confirm symbols upload.
 
+If you build outside the Unity Editor and need to manually upload symbols to Backtrace, you must rename symbols generated by Unity end simply with a `.so` extension. By default, symbol files within the .zip will end with extension `.sym.so`. or `.dbg.so` Backtrace will only match symbols to files based on the ending with `.so` extension. Please ensure all files have a single `.so` extention before uploading the zip. 
+
+To learn more about how to submit those symbol files to Backtrace, please see the Project Settings / Symbols. You can manage submission tokens, upload via the UI, or configure external Symbol Servers to connect and discover required symbols. Please review additional Symbol documentaion at https://support.backtrace.io/hc/en-us/articles/360040517071-Symbolication-Overview
+
 # iOS Specific information
 The backtrace-unity library includes support for capturing native iOS crashes as well as iOS native memory and process information from underlying iOS layer.