Mon 16172 improve most used helps (#4477)

* enh(help): first draft

* enh(help): second batch

* enh(help): last batch?

src/centreon/plugins/ssh.pm

@@ -113,19 +113,21 @@ It can be: sshcli (default), plink and libssh.
 
 =item B<--ssh-username>
 
-Connect with specified username.
+Define the user name to log in to the host.
 
 =item B<--ssh-password>
 
-Login with specified password. Cannot be used with sshcli backend.
+Define the password associated with the user name.
+Cannot be used with the sshcli backend.
+Warning: using a password is not recommended. Use --ssh-priv-key instead.
 
 =item B<--ssh-port>
 
-Connect to specified port.
+Define the TCP port on which SSH is listening.
 
 =item B<--ssh-priv-key>
 
-Private key file for user authentication.
+Define the private key file to use for user authentication.
 
 =back
 

src/centreon/plugins/statefile.pm

@@ -479,28 +479,29 @@ Time to keep data in seconds (Default: 86400).
 
 =item B<--statefile-dir>
 
-Directory for statefile (Default: '/var/lib/centreon/centplugins').
+Define the cache directory (default: '/var/lib/centreon/centplugins').
 
 =item B<--statefile-suffix>
 
-Add a suffix for the statefile name (Default: '').
+Define a suffix to customize the statefile name (Default: '').
 
 =item B<--statefile-concat-cwd>
 
-Concat current working directory with option '--statefile-dir'.
-Useful on Windows when plugin is compiled.
+If used with the '--statefile-dir' option, the latter's value will be used as
+a sub-directory of the current working directory.
+Useful on Windows when the plugin is compiled, as the file system and permissions are different from Linux.
 
 =item B<--statefile-format>
 
-Format used to store cache (can be: 'dumper', 'storable', 'json').
+Define the format used to store the cache. Available formats: 'dumper', 'storable', 'json' (default).
 
 =item B<--statefile-key>
 
-Key to encrypt/decrypt cache.
+Define the key to encrypt/decrypt the cache.
 
 =item B<--statefile-cipher>
 
-Cipher to encrypt cache (Default: 'AES').
+Define the cipher algorithm to encrypt the cache (Default: 'AES').
 
 =back
 

src/centreon/plugins/wsman.pm

@@ -565,55 +565,55 @@ Need at least openwsman-perl version >= 2.4.0
 
 =item B<--hostname>
 
-Hostname to query (required).
+Define the hostname to query (mandatory).
 
 =item B<--wsman-port>
 
-Port (default: 5985).
+Define the port to connect to (default: 5985).
 
 =item B<--wsman-path>
 
-Set path of URL (default: '/wsman').
+Define the path of the WSMAN URL if it has been customized (default: '/wsman').
 
 =item B<--wsman-scheme>
 
-Set transport scheme (default: 'http').
+Define the transport scheme (default: 'http').
 
 =item B<--wsman-username>
 
-Set username for authentification.
+Define the username for authentication.
 
 =item B<--wsman-password>
 
-Set username password for authentification.
+Define the password associated with the user name.
 
 =item B<--wsman-timeout>
 
-Set HTTP Transport Timeout in seconds (default: 30).
+Define the HTTP transport timeout in seconds (default: 30).
 
 =item B<--wsman-auth-method>
 
-Set the authentification method (default: 'basic').
+Define the authentication method. Available methods: noauth, basic (default), pass, digest, ntlm, gssnegotiate.
 
 =item B<--wsman-proxy-url>
 
-Set HTTP proxy URL.
+Define the URL of the HTTP proxy to use.
 
 =item B<--wsman-proxy-username>
 
-Set the proxy username.
+Define the user name to authenticate to the proxy server.
 
 =item B<--wsman-proxy-password>
 
-Set the proxy password.
+Define the password to authenticate to the proxy server.
 
 =item B<--wsman-debug>
 
-Set openwsman debug on (Default: --wsman-debug=info).
+Define the openwsman log level. Available levels: error, critical, warning, message, info (default), debug.
 
 =item B<--wsman-errors-exit>
 
-Exit code for wsman Errors (default: unknown)
+Define the expected exit code when wsman errors occur (default: unknown).
 
 =back