diff --git a/PgpCore/PGP.EncryptSync.cs b/PgpCore/PGP.EncryptSync.cs
index 2aae1dd..18d6233 100644
--- a/PgpCore/PGP.EncryptSync.cs
+++ b/PgpCore/PGP.EncryptSync.cs
@@ -257,7 +257,6 @@ public void EncryptAndSign(
         /// Encrypt and sign the string
         /// </summary>
         /// <param name="input">Plain string to be encrypted and signed</param>
-        /// <param name="armor">True, means a binary data representation as an ASCII-only text. Otherwise, false</param>
         /// <param name="withIntegrityCheck">True to include integrity packet during signing</param>
         /// <param name="name">Name of encrypted file in message, defaults to the input file name</param>
         /// <param name="headers">Optional headers to be added to the output</param>
diff --git a/PgpCore/PGP.SignAsync.cs b/PgpCore/PGP.SignAsync.cs
index 568fc91..d26d6a1 100644
--- a/PgpCore/PGP.SignAsync.cs
+++ b/PgpCore/PGP.SignAsync.cs
@@ -105,7 +105,6 @@ public async Task SignAsync(
         /// Sign the string
         /// </summary>
         /// <param name="input">Plain string to be signed</param>
-        /// <param name="armor">True, means a binary data representation as an ASCII-only text. Otherwise, false</param>
         /// <param name="name">Name of signed file in message, defaults to "name"</param>
         /// <param name="headers">Optional headers to be added to the output</param>
         /// <param name="oldFormat">True, to use old format for encryption if you need compatibility with PGP 2.6.x. Otherwise, false</param>
diff --git a/PgpCore/PGP.SignSync.cs b/PgpCore/PGP.SignSync.cs
index a575c5d..8cc1c51 100644
--- a/PgpCore/PGP.SignSync.cs
+++ b/PgpCore/PGP.SignSync.cs
@@ -105,7 +105,6 @@ public void Sign(
         /// Sign the string
         /// </summary>
         /// <param name="input">Plain string to be signed</param>
-        /// <param name="armor">True, means a binary data representation as an ASCII-only text. Otherwise, false</param>
         /// <param name="name">Name of signed file in message, defaults to "name"</param>
         /// <param name="headers">Optional headers to be added to the output</param>
         /// <param name="oldFormat">True, to use old format for encryption if you need compatibility with PGP 2.6.x. Otherwise, false</param>