Update TSG content

Author: Clare-Zheng82

articles/data-factory/connector-troubleshoot-ftp-sftp-http.md

@@ -174,9 +174,11 @@ This article provides suggestions to troubleshoot common problems with the FTP,
 
 ### Unable to connect to SFTP due to key exchange algorithms provided by SFTP are not supported in ADF
 
-- **Symptoms**: You are unable to connect to SFTP via ADF.
+- **Symptoms**: You are unable to connect to SFTP via ADF and meet the following error message: `Failed to negotiate key exchange algorithm.`
 
-- **Cause**: The key exchange algorithms provided by the SFTP vendor are not supported in ADF. The key exchange algorithms supported by ADF are `diffie-hellman-group-exchange-sha256 [Redacted] diffie-hellman-group14-sha1`, while the key exchange algorithms in the SFTP vendor's list are `curve25519-sha256 ecdh-sha2-nistp256 ecdh-sha2-nistp384 ecdh-sha2-nistp521 diffie-hellman-group14-sha256 diffie-hellman-group15-sha512 diffie-hellman-group16-sha512 diffie-hellman-group17-sha512 diffie-hellman-group18-sha512`. 
+- **Cause**: The key exchange algorithms provided by the SFTP vendor are not supported in ADF. The key exchange algorithms supported by ADF are:
+    - diffie-hellman-group-exchange-sha256 [Redacted]
+    - diffie-hellman-group14-sha1
 
 ## HTTP