diff --git a/parts/language/manual_en.lua b/parts/language/manual_en.lua
index f8513835..72d2a01b 100644
--- a/parts/language/manual_en.lua
+++ b/parts/language/manual_en.lua
@@ -62,7 +62,7 @@ Back to Back (B2B) gauge:
 		The B2B gauge ranges from 0 to 1,000. Special line clears are B2B if the gauge is >=50, B2B2B if >800.
 		A regular line clear -250
 		Spin Single/Double/Triple/Techrash/Techrash+ + 50/100/180/800/1000 (x50% if Mini)
-		Techrash/Techrash+ + 100/200
+		Techrash/Techrash+ + 150/200/...
 		Spin (0 lines) +20. Do note that the B2B gauge cannot exceed 800 using this method.
 		When gauge is above 800, a drop without clearing lines decreases it by 40, but cannot drop below 800
 
diff --git a/parts/language/manual_zh.lua b/parts/language/manual_zh.lua
index bbe3efb4..239b39e8 100644
--- a/parts/language/manual_zh.lua
+++ b/parts/language/manual_zh.lua
@@ -47,7 +47,7 @@ back to back(B2B)点数说明:
 		B2B点数的范围在0~1000,在点数>=50时进行特殊消除为B2B,>800时特殊消除为B3B
 		普通消除:-250
 		spin1~5:+[50/100/180/800/1000](mini变为原来50%)
-		消四/五:+[100/200]
+		消四/五/六:+[150/200/...]
 		空spin:+20,此法得到的点数不能超过800
 		当点数在800以上时空放一块-40(不低于800)
 
diff --git a/parts/player/player.lua b/parts/player/player.lua
index 8919d652..163ddcfc 100644
--- a/parts/player/player.lua
+++ b/parts/player/player.lua
@@ -1155,7 +1155,7 @@ do--Player.drop(self)--Place piece
 		piece.spin,piece.mini=dospin,false
 		piece.pc,piece.hpc=false,false
 		piece.special=false
-		if cc>0 then--If lines cleared,about 200 lines below
+		if cc>0 then--If lines cleared,about 200 lines of codes below
 			cmb=cmb+1
 			if dospin then
 				cscore=(spinSCR[C.name]or spinSCR[8])[cc]
@@ -1225,7 +1225,7 @@ do--Player.drop(self)--Place piece
 					sendTime=60
 					atk=2*cc-4
 				end
-				self.b2b=self.b2b+cc*100-300
+				self.b2b=self.b2b+cc*50-50
 				piece.special=true
 			else
 				piece.special=false