diff --git a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
index 821f9d47a92d93..00319290f08b1d 100644
--- a/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
+++ b/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/ldap/LdapSessionOptions.Linux.cs
@@ -24,7 +24,7 @@ public partial class LdapSessionOptions
/// which can be done by using openssl rehash . or c_rehash . in the directory
/// containing the certificate files.
///
- /// The directory not exist.
+ /// The directory does not exist.
[UnsupportedOSPlatform("windows")]
public string TrustedCertificatesDirectory
{