diff --git a/admin_manual/configuration_files/external_storage/sftp.rst b/admin_manual/configuration_files/external_storage/sftp.rst
index 046550a50..5d8e5ea1e 100644
--- a/admin_manual/configuration_files/external_storage/sftp.rst
+++ b/admin_manual/configuration_files/external_storage/sftp.rst
@@ -2,7 +2,7 @@
 SFTP
 ====
 
-Nextcloud's SFTP (FTP over an SSH tunne) backend supports both password and 
+Nextcloud's SFTP (FTP over an SSH tunnel) backend supports both password and 
 public key authentication. 
 
 The **Host** field is required; a port can be specified as part of the **Host** 
diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index e93e306b7..753f56106 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -1253,8 +1253,8 @@ Available failover modes:
 
 WARNING: FAILOVER_DISTRIBUTE is a not recommended setting and we strongly
 suggest to not use it if you use Redis for file locking. Due to the way Redis
-is synchronised it could happen, that the read for an existing lock is
-scheduled to a slave that is not fully synchronised with the connected master
+is synchronized it could happen, that the read for an existing lock is
+scheduled to a slave that is not fully synchronized with the connected master
 which then causes a FileLocked exception.
 
 See https://redis.io/topics/cluster-spec for details about the Redis cluster
diff --git a/developer_manual/design/html.rst b/developer_manual/design/html.rst
index 29d81bea4..3a9d7f0ac 100644
--- a/developer_manual/design/html.rst
+++ b/developer_manual/design/html.rst
@@ -3,7 +3,7 @@
 ..  _html:
 
 =============
-Html elements
+HTML elements
 =============
 
 Progress bar