diff --git a/Aircraft-yasim/README.p51d b/Aircraft-yasim/README.p51d
index 58773cde4..d087b6975 100644
--- a/Aircraft-yasim/README.p51d
+++ b/Aircraft-yasim/README.p51d
@@ -9,7 +9,7 @@ the booster in 1st stage.
 TAKE OFF:
 Set prop pitch to full increased rpm.
 Start engine with throttle at idle.
-Set BOOST stage one (CTRL-b keybinding cycles through stage 0, 1, 
+Set BOOST stage one (CTRL-b keybinding cycles through stage 0 (off), 1, 
 and 2).  Default startup for p51-d should have stage one already on.
 Set throttle to 40 inHG Manifold Pressure (MP).
 Be ready to actuate rudder.  When the tail first lifts, the torque will 
@@ -21,25 +21,29 @@ do a ground loop.
 Rotate at 150 mph or so.
 
 CLIMB:
-Back off MP to 46 inHG.  Keep adding throttle as you climb to maintain 
-46 inHG until you hit full throttle.
+Back off MP to 46 inHG.  
+Adjust propeller pitch to 2700 rpm.
+Keep adding throttle as you climb to maintain 46 inHG until you hit full throttle.
 At 18,000 feet turn on second stage (hit CTRL-b) and back off throttle to 46 inHG.
-Set propeller pitch to 2700 rpm.
 
 FLYING:
 Trim and Cruise at about 2400 rpm.
 Do not exceed 2700 rpm sustained.
 Do not exceed 3000 rpm military power (aerobatics)
 Do not exceed 3500 rpm in dives.
+Do not exceed 61 inHG Mainfold Pressure (military power), except 71 inHG for 
+maximum of 7 minutes (war emergency power).  Note that war emergency 
+power is not for flying fast,  rather it is for dogfighting at < 200mph.
 
 LANDING:
 A single long sweeping turn from the downwind leg into a short approach 
 seems to work best.  Make sure you are below 250mph before starting the 
 turn.  Use forward slip as necessary to bleed off speed and altitude at the 
-same time.  Start applying flaps at 250mph,  gear at 175mph, and full flaps 
+same time.
+Start applying flaps at 250mph,  gear at 175mph, and full flaps 
 at 165mph or less.
 
-Excessive braking can cause you to nose over.   Some recomend raising 
+Excessive braking can cause you to nose over.   Some recommend raising 
 flaps immediately after touchdown.