Fix typo.

man/go-sendxmpp.1

@@ -40,7 +40,7 @@ There is also no check whether the recipients key is trusted as there is no loca
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 \fB\-\-ox\-genprivkey\fR: Generate a public OpenPGP key for the given JID and publish the corresponding public key\. Go\-sendxmpp will save the key in \fB$XDG_DATA_HOME/go\-sendxmpp/oxprivkeys\fR or \fB$HOME/\.local/share/go\-sendxmpp/oxprivkeys\fR\. To protect the key you might want to set a passphrase using \fB\-\-ox\-passphrase\fR while generating the key\.
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-\fB\-\-ox\-passphrase=value\fR: Passphrase for locking and unlocking the private OpenPGP key\.
+\fB\-\-ox\-passphrase\fR=[\fIvalue\fR]: Passphrase for locking and unlocking the private OpenPGP key\.
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 \fB\-\-tls\-version\fR=[\fIvalue\fR]: Minimal TLS version\. 10 (TLSv1\.0), 11 (TLSv1\.1), 12 (TLSv1\.2), 13 (TLSv1\.3) (Default: 12)
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man/go-sendxmpp.1.html

@@ -140,7 +140,7 @@ file location is specified with <code>-f</code> or <code>--file</code>.</p>
   <code>$HOME/.local/share/go-sendxmpp/oxprivkeys</code>. To protect the key you might want to set a 
   passphrase using <code>--ox-passphrase</code> while generating the key.</p>
 
-<p><code>--ox-passphrase=value</code>:
+<p><code>--ox-passphrase</code>=[<var>value</var>]:
   Passphrase for locking and unlocking the private OpenPGP key.</p>
 
 <p><code>--tls-version</code>=[<var>value</var>]:

man/go-sendxmpp.1.ronn

@@ -65,7 +65,7 @@ file location is specified with `-f` or `--file`.
   `$HOME/.local/share/go-sendxmpp/oxprivkeys`. To protect the key you might want to set a 
   passphrase using `--ox-passphrase` while generating the key.
 
-  `--ox-passphrase=value`:
+  `--ox-passphrase`=[<value>]:
   Passphrase for locking and unlocking the private OpenPGP key.
 
   `--tls-version`=[<value>]: