Update readme.md

Author: javadev

src/main/java/g2001_2100/s2073_time_needed_to_buy_tickets/readme.md

@@ -8,7 +8,7 @@ You are given a **0-indexed** integer array `tickets` of length `n` where the nu
 
 Each person takes **exactly 1 second** to buy a ticket. A person can only buy **1 ticket at a time** and has to go back to **the end** of the line (which happens **instantaneously**) in order to buy more tickets. If a person does not have any tickets left to buy, the person will **leave** the line.
 
-Return _the **time taken** for the person at position_ `k`**_(0-indexed)_ **_to finish buying tickets_.
+Return _the **time taken** for the person at position_ `k`_**(0-indexed)** to finish buying tickets_.
 
 **Example 1:**
 
@@ -43,4 +43,4 @@ The person at position 0 has successfully bought 5 tickets and it took 4 + 1 + 1
 *   `n == tickets.length`
 *   `1 <= n <= 100`
 *   `1 <= tickets[i] <= 100`
-*   `0 <= k < n`
+*   `0 <= k < n`