diff --git a/phpseclib/Crypt/Common/Formats/Keys/PuTTY.php b/phpseclib/Crypt/Common/Formats/Keys/PuTTY.php
index c4d59daf..086c0cb2 100644
--- a/phpseclib/Crypt/Common/Formats/Keys/PuTTY.php
+++ b/phpseclib/Crypt/Common/Formats/Keys/PuTTY.php
@@ -119,7 +119,7 @@ abstract class PuTTY
                 $flavour = SODIUM_CRYPTO_PWHASH_ALG_ARGON2ID13;
                 break;
             default:
-                 throw new UnsupportedAlgorithmException('Only Argon2i and Argon2id are supported');
+                throw new UnsupportedAlgorithmException('Only Argon2i and Argon2id are supported');
         }
 
         $length = 80; // keylen + ivlen + mac_keylen
@@ -181,7 +181,7 @@ abstract class PuTTY
             if ($components === false) {
                 throw new \UnexpectedValueException('Unable to decode public key');
             }
-            $components+= $values;
+            $components += $values;
             $components['comment'] = str_replace(['\\\\', '\"'], ['\\', '"'], $values['comment']);
 
             return $components;
diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index b70073bd..b7053c65 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -381,13 +381,13 @@ class SFTP extends SSH2
             20 => 'NET_SFTP_SYMLINK',
             21 => 'NET_SFTP_LINK',
 
-            101=> 'NET_SFTP_STATUS',
-            102=> 'NET_SFTP_HANDLE',
-            103=> 'NET_SFTP_DATA',
-            104=> 'NET_SFTP_NAME',
-            105=> 'NET_SFTP_ATTRS',
+            101 => 'NET_SFTP_STATUS',
+            102 => 'NET_SFTP_HANDLE',
+            103 => 'NET_SFTP_DATA',
+            104 => 'NET_SFTP_NAME',
+            105 => 'NET_SFTP_ATTRS',
 
-            200=> 'NET_SFTP_EXTENDED'
+            200 => 'NET_SFTP_EXTENDED'
         ];
         $this->status_codes = [
             0 => 'NET_SFTP_STATUS_OK',