Update min_price_change_ppm for long tail markets (#234)

pages/users-governance/proposing_a_new_market.md

@@ -52,7 +52,7 @@ The following decribes how to set various parameters for a new market and assume
 | ---------------------------- | ----------------------------- | -------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ |
 | `MsgCreateOracleMarket`      | `exponent`                    | Denotes the number of decimals a value should be shifted in the price daemon                             | `p-9`                                                                                |
 | `MsgCreateOracleMarket`      | `min_exchanges`               | Used for an index price to be valid.                                                                     | `3`                                                                                  |
-| `MsgCreateOracleMarket`      | `min_price_change_ppm`        | The minimum amount the index price has to change for an oracle price update to be valid.                 | Liquidity Tier 0: `1000` <br> Liquidity Tier 1: `2500` <br> Liquidity Tier 2: `4000` |
+| `MsgCreateOracleMarket`      | `min_price_change_ppm`        | The minimum amount the index price has to change for an oracle price update to be valid.                 | Liquidity Tier 0: `1000` <br> Liquidity Tier 1: `2500` <br> Liquidity Tier 2: `800` |
 | `MsgCreateOracleMarket`      | `exchange_config_json`        | Spot exchange query configuration for the oracle price                                                   | See [below](./proposing_a_new_market.md#Choosing-oracle-sources)                     |
 | `MsgCreatePerpetual`         | `atomic_resolution`           | L the exponent for converting an atomic amount (`size = 1`) to a full coin.                              | `-6 - p`                                                                             |
 | `MsgCreatePerpetual`         | `default_funding_ppm`         | The default funding payment if there is no price premium. In parts-per-million.                          | `0`                                                                                  |
@@ -257,4 +257,4 @@ jurisdiction. The information on this page does not constitute and should not be
 investment, legal, or any other form of professional advice. This page does not recommend 
 any specific market, and analyzes only compatibility and functionality from a technical 
 standpoint. Use of the v4 software is prohibited in the United States, Canada, and 
-sanctioned jurisdictions as described in the [v4 Terms of Use](https://dydx.exchange/v4-terms).
+sanctioned jurisdictions as described in the [v4 Terms of Use](https://dydx.exchange/v4-terms).