Fix minor typos

doc/kmail2/using-kmail.docbook

@@ -468,7 +468,7 @@ or <link linkend="pgp-sign-your-messages">digitally signed</link> message, selec
 fileref="document-decrypt.png" format="PNG"/></imageobject></inlinemediaobject> Encrypt</guiicon> icon in the toolbar.
 Use the <menuchoice><guimenuitem>Options</guimenuitem><guisubmenu>Cryptographic Message
 Format &gt;</guisubmenu></menuchoice> dropdown list to select the format used to encrypt the 
-message. (The <guilabel>Optons</guilabel> menu also lets you sign / encrypt the message.)
+message. (The <guilabel>Options</guilabel> menu also lets you sign / encrypt the message.)
 You may choose one of five formatting options.
 </para>
 
@@ -2279,7 +2279,7 @@ window. Before you send the message, check the <guibutton><inlinemediaobject>
 <imageobject><imagedata fileref="document-edit.png" format="PNG"/>
 </imageobject></inlinemediaobject> Sign</guibutton>
 icon on the toolbar of the composer window, or select <menuchoice>
-<guimenu>Options></guimenu><guimenuitem><inlinemediaobject><imageobject>
+<guimenu>Options</guimenu><guimenuitem><inlinemediaobject><imageobject>
 <imagedata fileref="document-edit.png" format="PNG"/></imageobject>
 </inlinemediaobject> Sign Message</guimenuitem></menuchoice>. Then, you can send
 the message. The identity you are using to write the current message needs to 
@@ -2301,7 +2301,7 @@ Before you send the message, check the <guibutton><inlinemediaobject><imageobjec
 <imagedata fileref="document-decrypt.png" format="PNG"/>
 </imageobject></inlinemediaobject> Encrypt</guibutton> 
 button in the toolbar of the composer window (or select <menuchoice>
-<guimenu>Options></guimenu><guimenuitem><inlinemediaobject><imageobject>
+<guimenu>Options</guimenu><guimenuitem><inlinemediaobject><imageobject>
 <imagedata fileref="document-decrypt.png" format="PNG"/>
 </imageobject></inlinemediaobject> Encrypt Message</guimenuitem></menuchoice>).
 Then send the message.</para>