diff --git a/Comments:BIP-0171.md b/Comments:BIP-0171.md
index 9b2eaf5..c76961c 100644
--- a/Comments:BIP-0171.md
+++ b/Comments:BIP-0171.md
@@ -1,4 +1,4 @@
-# Cerise  ( by [straumat](https://github.com/straumat/) )
+# Cerise ( by [straumat](https://github.com/straumat/) )
 CERISE ([website](http://www.cerise.tech/) & [github](https://github.com/straumat/cerise)) provides :
  * [BIP-0171 specifications](http://www.cerise.tech/#specifications).
  * A [mocked BIP-0171 compliant server available online](http://api.cerise.tech/swagger-ui.html) you can use to understand the API and make calls.
@@ -9,7 +9,6 @@ CERISE ([website](http://www.cerise.tech/) & [github](https://github.com/strauma
  * A collection of [client libraries](http://www.cerise.tech/#clients) to call any BIP-0171 compliant server with your favorite language.
 
 # Error management proposal ( by [straumat](https://github.com/straumat/) )
-
 These are the different http status : 
 * `200` : Everything worked as expected.
 * `400` : The request was unacceptable, often due to missing a required parameter.
@@ -50,10 +49,7 @@ and then you have all the errors with, for each error found :
 
 `message` : A human-readable message providing more details about the error.
 
-***
-
-
-**Change to make in the BIP ?**
+# Change to make in the BIP ? ( by [straumat](https://github.com/straumat/) )
 “a GET request to a common URI with parameters encoded in application/x-www-form-urlencoded format” 
 May I ask you why parameters should be encoded this way ? From what I have seen in other projects, they also allow json for get method.
 
@@ -63,7 +59,6 @@ I have the same comment for “minrate” and “maxrate” parameters in Curren
 
 “digits - The type of digits to use for the quote currency's numbers. "arabic" should be used for common 0-9 digits.” Don’t you think we should provide the list of supported digits ?
 
-**Things I don’t understand.**
+# Things I don’t understand ( by [straumat](https://github.com/straumat/) )
 I don’t understand what means “XBTUSD-ver4” ? I don’t see what it means.
-“Currency-pair information \ symbol : Any positive or negative symbols must be included in this prefix/suffix” I don’t understand this rule. Can you explain it more please ?
-“grouping” : can you provide more informations about how it works ? I don’t understand if it’s only 3 fields or if you can have more ?
+“Currency-pair information \ symbol : Any positive or negative symbols must be included in this prefix/suffix” I don’t understand this rule. Can you explain it more please ?
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