Update index.md

Stratis.Guru/Documentation/docs/index.md

 # Stratis.Guru Documentation
 
-This documentation describe how to use the Stratis.Guru API Endpoints.
+This documentation describes how to use the Stratis.Guru API.
 
 ## Create Stratis Key Pair
-This endpoint generate a new Stratis Address, and return a public and private key pair.    
+This endpoint generate a new Stratis Address and returns a public and private key pair.    
 ```
 GET https://stratis.guru/api/create-address
 ```
@@ -17,7 +17,7 @@ GET https://stratis.guru/api/create-address
 
 
 ## Get Price (in USD)
-Get the $STRAT Price, this API query [CoinMarkCap](https://coinmarketcap.com/fr/currencies/stratis/) API.
+Get the $STRAT Price, this API query [CoinMarketCap](https://coinmarketcap.com/fr/currencies/stratis/) API.
 ```
 GET https://stratis.guru/api/price
 ```
@@ -179,4 +179,4 @@ GET https://stratis.guru/api/block/1063868
         "5c70319c270347a0cd74bda087cee875e2e3bfafda9f0399948933b0c8f88659"
     ]
 }
-```
+```
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