started upadting readme with new api/mempool example

README.md

@@ -383,6 +383,7 @@ Partial results shown:
 
 #### api/mempool
 
+Return all txs in the mempool.
 
 ```bash
 curl  -w "\n" -X GET "http://139.162.32.245:8081/api/mempool"
@@ -414,6 +415,17 @@ Partial results shown:
 }
 ```
 
+
+#### api/mempool?limit=<no_of_top_txs>
+
+Return number of newest mempool txs, e.g., only 10.
+
+```bash
+curl  -w "\n" -X GET "http://139.162.32.245:8081/api/mempool?limit=10"
+```
+
+Result analogical to the one above.
+
 #### api/search/<block_number|tx_hash|block_hash>
 
 ```bash

main.cpp

@@ -393,7 +393,7 @@ int main(int ac, const char* av[]) {
                           req.url_params.get("page") : "0";
 
             // default value for limit is some large number, so that
-            // a call to api/mempool without any arguments return all
+            // a call to api/mempool without any limit return all
             // mempool txs
             string limit = regex_search(req.raw_url, regex {"limit=\\d+"}) ?
                            req.url_params.get("limit") : "100000000";