diff --git a/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PhysicalFileProvider.cs b/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PhysicalFileProvider.cs
index c65ff8f1287cfb..b9faf2ac1a9071 100644
--- a/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PhysicalFileProvider.cs
+++ b/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PhysicalFileProvider.cs
@@ -340,7 +340,7 @@ public IDirectoryContents GetDirectoryContents(string subpath)
 
         /// <summary>
         ///     <para>Creates a <see cref="IChangeToken" /> for the specified <paramref name="filter" />.</para>
-        ///     <para>Globbing patterns are interpreted by <seealso cref="Microsoft.Extensions.FileSystemGlobbing.Matcher" />.</para>
+        ///     <para>Globbing patterns are interpreted by <see cref="Microsoft.Extensions.FileSystemGlobbing.Matcher" />.</para>
         /// </summary>
         /// <param name="filter">
         /// Filter string used to determine what files or folders to monitor. Example: **/*.cs, *.*,
@@ -350,7 +350,7 @@ public IDirectoryContents GetDirectoryContents(string subpath)
         /// An <see cref="IChangeToken" /> that is notified when a file matching <paramref name="filter" /> is added,
         /// modified, or deleted. Returns a <see cref="NullChangeToken" /> if <paramref name="filter" /> has invalid filter
         /// characters or if <paramref name="filter" /> is an absolute path or outside the root directory specified in the
-        /// constructor <seealso cref="PhysicalFileProvider(string)" />.
+        /// constructor <see cref="PhysicalFileProvider(string)" />.
         /// </returns>
         public IChangeToken Watch(string filter)
         {
diff --git a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AllAsync.cs b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AllAsync.cs
index 02c5f82a7e0b92..c4d7f16b82106f 100644
--- a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AllAsync.cs
+++ b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AllAsync.cs
@@ -16,8 +16,8 @@ public static partial class AsyncEnumerable
         /// <param name="predicate">A function to test each element for a condition.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
         /// <returns>
-        /// true if every element of the source sequence passes the test in the specified predicate,
-        /// or if the sequence is empty; otherwise, false.
+        /// <see langword="true"/> if every element of the source sequence passes the test in the specified predicate,
+        /// or if the sequence is empty; otherwise, <see langword="false"/>.
         /// </returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is <see langword="null"/>.</exception>
@@ -53,8 +53,8 @@ static async ValueTask<bool> Impl(
         /// <param name="predicate">A function to test each element for a condition.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
         /// <returns>
-        /// true if every element of the source sequence passes the test in the specified predicate,
-        /// or if the sequence is empty; otherwise, false.
+        /// <see langword="true"/> if every element of the source sequence passes the test in the specified predicate,
+        /// or if the sequence is empty; otherwise, <see langword="false"/>.
         /// </returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is <see langword="null"/>.</exception>
diff --git a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AnyAsync.cs b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AnyAsync.cs
index 863b1ee2bbfa44..c0ac41da688c43 100644
--- a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AnyAsync.cs
+++ b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/AnyAsync.cs
@@ -14,7 +14,7 @@ public static partial class AsyncEnumerable
         /// <typeparam name="TSource">The type of the elements of source.</typeparam>
         /// <param name="source">The <see cref="IAsyncEnumerable{T}"/> to check for emptiness.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
-        /// <returns>true if the source sequence contains any elements; otherwise, false.</returns>
+        /// <returns><see langword="true"/> if the source sequence contains any elements; otherwise, <see langword="false"/>.</returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         public static ValueTask<bool> AnyAsync<TSource>(
             this IAsyncEnumerable<TSource> source,
@@ -46,8 +46,8 @@ static async ValueTask<bool> Impl(
         /// <param name="predicate">A function to test each element for a condition.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
         /// <returns>
-        /// true if the source sequence is not empty and at least one of its elements passes
-        /// the test in the specified predicate; otherwise, false.
+        /// <see langword="true"/> if the source sequence is not empty and at least one of its elements passes
+        /// the test in the specified predicate; otherwise, <see langword="false"/>.
         /// </returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is <see langword="null"/>.</exception>
@@ -83,8 +83,8 @@ static async ValueTask<bool> Impl(
         /// <param name="predicate">A function to test each element for a condition.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
         /// <returns>
-        /// true if the source sequence is not empty and at least one of its elements passes
-        /// the test in the specified predicate; otherwise, false.
+        /// <see langword="true"/> if the source sequence is not empty and at least one of its elements passes
+        /// the test in the specified predicate; otherwise, <see langword="false"/>.
         /// </returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         /// <exception cref="ArgumentNullException"><paramref name="predicate"/> is <see langword="null"/>.</exception>
diff --git a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/ContainsAsync.cs b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/ContainsAsync.cs
index 49d9cee96b2041..e6627dab8d7e35 100644
--- a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/ContainsAsync.cs
+++ b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/ContainsAsync.cs
@@ -16,7 +16,7 @@ public static partial class AsyncEnumerable
         /// <param name="value">The value to locate in the sequence.</param>
         /// <param name="comparer">An equality comparer to compare values.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
-        /// <returns>true if the source sequence contains an element that has the specified value; otherwise, false.</returns>
+        /// <returns><see langword="true"/> if the source sequence contains an element that has the specified value; otherwise, <see langword="false"/>.</returns>
         /// <exception cref="ArgumentNullException"><paramref name="source"/> is <see langword="null"/>.</exception>
         public static ValueTask<bool> ContainsAsync<TSource>(
             this IAsyncEnumerable<TSource> source,
diff --git a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/SequenceEqualAsync.cs b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/SequenceEqualAsync.cs
index 9deabee066b73f..7315077bed25bf 100644
--- a/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/SequenceEqualAsync.cs
+++ b/src/libraries/System.Linq.AsyncEnumerable/src/System/Linq/SequenceEqualAsync.cs
@@ -16,8 +16,8 @@ public static partial class AsyncEnumerable
         /// <param name="comparer">An <see cref="IEqualityComparer{T}"/> to use to compare elements.</param>
         /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
         /// <returns>
-        /// true if the two source sequences are of equal length and their corresponding
-        /// elements compare equal according to comparer; otherwise, false.
+        /// <see langword="true"/> if the two source sequences are of equal length and their corresponding
+        /// elements compare equal according to comparer; otherwise, <see langword="false"/>.
         /// </returns>
         public static ValueTask<bool> SequenceEqualAsync<TSource>(
             this IAsyncEnumerable<TSource> first,