Fix orb colors in ingame help and manual

[skip ci]

data/core/help.cfg

@@ -317,9 +317,9 @@ If a strike is determined to hit, it will always do at least 1 point of damage.
 
 <img>src=help/orb-green.png align=here</img>" + _ " green if it hasn’t moved this turn," + "
 <img>src=help/orb-yellow.png align=here</img>" + _ " yellow if it has moved, but could still move further or attack, or" + "
-<img>src=help/orb-black.png align=here</img>" + _ " black if it can no longer move or attack, or the user ended the unit’s turn." + "
+<img>src=help/orb-red.png align=here</img>" + _ " red if it can no longer move or attack, or the user ended the unit’s turn." + "
 <img>src=help/orb-blue.png align=here</img>" + _ " blue if the unit is an ally you do not control." + "
-<img>src=help/orb-red.png align=here</img>" + _ " Enemy units have a red orb on top of their energy bar."
+<img>src=help/orb-none.png align=here</img>" + _ " Enemy units have no orb on top of their energy bar."
     [/topic]
     # wmllint: markcheck on
 

doc/manual/manual.txt

@@ -967,13 +967,13 @@ Yellow image:images/orb-yellow.jpg["Yellow orb"]  If you control the unit and \
                                                   it has moved this turn, but \
                                                   could still move further or \
                                                   attack
-Black  image:images/orb-red.jpg["Black orb"]      If you control the unit, but \
+Red    image:images/orb-red.jpg["Red orb"]        If you control the unit, but \
                                                   it can no longer move or \
                                                   attack, or the user ended \
                                                   the unit's turn
 Blue   image:images/orb-blue.jpg["Blue orb"]      If the unit is an ally you \
                                                   do not control
-Red    image:images/orb-none.jpg["Red orb"]       Enemy units have a red orb on \
+-      image:images/orb-none.jpg["No orb"]        Enemy units have no orb on \
                                                   the top of their energy bar
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