[Workers] Fix typo (#17651)

Author: danleyb2

src/content/docs/workers/observability/source-maps.mdx

@@ -45,7 +45,7 @@ Miniflare can also [output source maps](https://miniflare.dev/developing/source-
 ​​
 When your Worker throws an uncaught exception, we fetch the source map and use it to map the stack trace of the exception back to lines of your Worker’s original source code.
 
-You can then view the stack trace in when streaming [real-time logs](/workers/observability/logs/real-time-logs/) or in [Tail Workers](/workers/observability/logs/tail-workers/).
+You can then view the stack trace when streaming [real-time logs](/workers/observability/logs/real-time-logs/) or in [Tail Workers](/workers/observability/logs/tail-workers/).
 
 :::note