Add rule "one poll for one bitasset"

Author: abitmore

bsip-0076.md

@@ -41,15 +41,15 @@ the peg as intended. When the market trading price of BTS is above the threshold
 feed the market trading price, so the peg will be restored automatically. The mechanism is similar to
 the Global-Settlement Protection mechanism as described in [BSIP 58](bsip-0058.md).
 
-Changes to the threshold will be decided on ALL committee-owned smartcoins by voting, each time
+Changes to the threshold will be decided on individual committee-owned smartcoins by voting, each time
 one change is issued 2 poll worker proposals will be created standing FOR and AGAINST the change.
 
-For example, to decide whether to change the threshold to 0.2 CNY each BTS, 2 poll worker proposals
-will be created for voting:
+For example, to decide whether to change the price feed threshold of bitCNY to 0.2 CNY each BTS,
+2 poll worker proposals will be created for voting:
 
-Poll-BSIP**-Change the threshold [from the previous value when applicable] to 0.2 CNY
+Poll-BSIP**-Change bitCNY feed threshold [from the previous value when applicable] to 0.2 CNY per BTS
 
-Poll-BSIP**-Not change the threshold [from the previous value when applicable] to 0.2 CNY
+Poll-BSIP**-Not change bitCNY feed threshold [from the previous value when applicable] to 0.2 CNY per BTS
 
 If the voting confirm the change, committee will announce the change at least 3 days before the change
 is implemented by witnesses.