Deb: Fix spelling etc Lintian complaints

debian/control

@@ -83,13 +83,14 @@ Architecture: any
 Depends: libmariadb3 (= ${binary:Version}), ${misc:Depends}
 Replaces: libmariadbclient18
 Provides: libmariadbclient18
-Description: Virtual package to satisfy external depends
+Description: Virtual package to satisfy external libmariadbclient18 depends
  MariaDB is a fast, stable and true multi-user, multi-threaded SQL database
  server. SQL (Structured Query Language) is the most popular database query
  language in the world. The main goals of MariaDB are speed, robustness and
  ease of use.
  .
- This package provides compatibility symlinks for libmariadb3.
+ This package provides compatibility symlinks for binaries that expect to find
+ libmariadbclient.so.18 will automatically use libmariadb.so.3 instead.
 
 Package: libmysqlclient18
 Section: libs
@@ -97,13 +98,14 @@ Architecture: any
 Depends: libmariadb3 (= ${binary:Version}), ${misc:Depends}
 Replaces: libmysqlclient18
 Provides: libmysqlclient18
-Description: Virtual package to satisfy external depends
+Description: Virtual package to satisfy external libmysqlclient18 depends
  MariaDB is a fast, stable and true multi-user, multi-threaded SQL database
  server. SQL (Structured Query Language) is the most popular database query
  language in the world. The main goals of MariaDB are speed, robustness and
  ease of use.
  .
- This package provides compatibility symlinks for libmariadb3.
+ This package provides compatibility symlinks for binaries that expect to find
+ libmysqlclient.so.18 will automatically use libmariadb.so.3 instead.
 
 Package: libmariadb-dev
 Architecture: any
@@ -626,6 +628,7 @@ Replaces: mariadb-gssapi-server-10.1,
           mariadb-gssapi-server-10.2,
           mariadb-gssapi-server-10.3
 Description: GSSAPI authentication plugin for MariaDB server
+ This package contains the server components.
 
 Package: mariadb-plugin-gssapi-client
 Architecture: any
@@ -640,9 +643,9 @@ Replaces: mariadb-gssapi-client-10.1,
           mariadb-gssapi-client-10.2,
           mariadb-gssapi-client-10.3
 Description: GSSAPI authentication plugin for MariaDB client
+ This package contains the client components.
 
 Package: mariadb-backup-10.3
-Section: database
 Architecture: any
 Breaks: mariadb-backup-10.1,
         mariadb-backup-10.2
@@ -652,6 +655,7 @@ Depends: mariadb-server-10.3,
          ${misc:Depends},
          ${shlibs:Depends}
 Description: Backup tool for MariaDB server
+ This backup tool is guaranteed to be compatible with MariaDB.
 
 Package: mariadb-plugin-cracklib-password-check
 Architecture: any
@@ -664,7 +668,6 @@ Description: CrackLib Password Validation Plugin for MariaDB
  sufficiently secure (as defined by cracklib) user passwords in MariaDB.
 
 Package: mariadb-plugin-aws-key-management
-Section: database
 Architecture: any
 Breaks: mariadb-aws-key-management-10.1,
         mariadb-aws-key-management-10.2

debian/mariadb-client-10.3.README.Debian

 FAQ:
 
-Q: My <tab> completition is gone, why?
+Q: My <tab> completion is gone, why?
 A: You have "no-auto-rehash" in the "[mysql]" section of /etc/mysql/my.cnf!

debian/mariadb-server-10.3.README.Debian

@@ -42,7 +42,7 @@ https://mariadb.com/kb
 It is strongly recommended you create an admin users for your database
 adminstration needs.
 
-If your your local unix account is the one you want to have local super user
+If your local unix account is the one you want to have local super user
 access on your database with you can create the following account that will
 only work for the local unix user connecting to the database locally.
 
@@ -57,11 +57,11 @@ the DB server over the network:
 
   sudo /usr/bin/mysql -e "GRANT ALL ON *.* TO 'USERNAME'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION"
 
-Scripts should run as a user have have the required grants and be identified via unix_socket.
+Scripts should run as a user have the required grants and be identified via unix_socket.
 
 If you are too tired to type the password in every time and unix_socket auth
 doesn't suit your needs, you can store it in the file $HOME/.my.cnf. It should
-be chmod 0600 (-rw------- username username .my.cnf) to ensure that nobody else
+be chmod 0600 (-rw------- username usergroup .my.cnf) to ensure that nobody else
 can read it.  Every other configuration parameter can be stored there, too.
 
 For more information in the MariaDB manual in/usr/share/doc/mariadb-doc or