diff --git a/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser.cs b/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser.cs
index 1ea0378296c4c9..4beb830480b3dd 100644
--- a/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser.cs
+++ b/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser.cs
@@ -6,7 +6,7 @@
 
 namespace System.Net.ServerSentEvents
 {
-    /// <summary>Provides a parser for parsing server-sent events.</summary>
+    /// <summary>Provides a parser for parsing server-sent events read from a trustworthy stream.</summary>
     public static class SseParser
     {
         /// <summary>The default <see cref="SseItem{T}.EventType"/> ("message") for an event that did not explicitly specify a type.</summary>
diff --git a/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser_1.cs b/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser_1.cs
index 0e80d774d21bec..0f0129e6555612 100644
--- a/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser_1.cs
+++ b/src/libraries/System.Net.ServerSentEvents/src/System/Net/ServerSentEvents/SseParser_1.cs
@@ -15,7 +15,7 @@
 
 namespace System.Net.ServerSentEvents
 {
-    /// <summary>Provides a parser for server-sent events information.</summary>
+    /// <summary>Provides a parser for server-sent events information read from a trustworthy stream.</summary>
     /// <typeparam name="T">Specifies the type of data parsed from an event.</typeparam>
     public sealed class SseParser<T>
     {