eng manual updt

MANUAL_EN.md

@@ -183,6 +183,8 @@ Only these points determine the order in the summary
 * **Auto Defense** - activates the mode of automatic activation of defensive weapons. After its activation, the tank automatically activates the strongest shield it has (consuming it, of course) at any time when there is no shield (also between shots of other players). At the same time, if the tank's energy level drops below 30 units, it automatically activates **Battery** if it has it. This weapon remains active until the end of the round and is indicated by the "computer" symbol before the name of the active defensive weapon in the status line. It is the second defensive weapon that does not deactivate other defensive weapons when used.
 * **Spy Hard** - Help for the forgetful :) . When activated, it shows a preview of information about the next opponents one by one. Left/Right - changes the "spied" tank. Fire/Space/Return/Esc - ends the "spying". This is the last defensive weapon, which does not deactivate other defensive weapons when used.
 
+Due to the different warhead tracking system of **MIRV** weapons, the **Bouncy Castle** and **Mag Deflector** defensive weapons only use the shielding function when hit by these weapons. In addition, **MIRV** warheads do not bounce or fly through sidewalls when falling!
+
 None of the shields protect against **Napalm**. **Bouncy Castle** or **Mag Deflector** on a direct hit will deflect it or carry it past, but just hit very close to a tank and its shield will not save it.
 
 **White Flag**, **Hovercraft** and **Nuclear Winter** weapons, when selected, require activation, this is accomplished by "firing a shot" after the selection of that weapon. Of course, the shot of the offensive weapon is then not fired, but only the selected defensive weapon is activated.