chore(docs): Remove trailing, unmatched quote (vectordotdev#17163)

Author: mlodato517

website/content/en/docs/about/concepts.md

@@ -28,7 +28,7 @@ A **metric** event represents a numerical operation performed on a time series.
 
 A **trace** event can be thought of as a special kind of log event. As of this writing, the components that support trace events are: the `datadog_agent` source, the `datadog_traces` sink, and the `sample` and `remap` transforms.
 
-If you're interested in using traces with a Vector component that doesn't yet support them, please open an issue so we can have a better understanding of what components to prioritize adding trace support for."
+If you're interested in using traces with a Vector component that doesn't yet support them, please open an issue so we can have a better understanding of what components to prioritize adding trace support for.
 
 ## Components