diff --git a/src/datadog/trace_sampler.h b/src/datadog/trace_sampler.h
index f93f9b14..b75b35ae 100644
--- a/src/datadog/trace_sampler.h
+++ b/src/datadog/trace_sampler.h
@@ -66,7 +66,7 @@
 // - service name glob pattern
 // - span name (operation name) glob pattern
 // - resource name glob pattern
-// - tag value global patterns
+// - tag value glob patterns
 //
 // For more information on span matching and glob patterns, see
 // `span_matcher.h`.