Update README.md

matteo65 · Nov 3, 2023 · a09c406 · a09c406
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@@ -6,6 +6,6 @@ The output is in according b-files format (https://oeis.org/)<br>
 In order to generate the prime numbers it uses an efficient implementation of the Sieve of Eratosthenes.
 
 ## About palindrome prime numbers
-All palindromic prime numbers have odd lengths, except the prime number 11.
+All palindromic prime numbers have odd lengths, except the prime number 11.<br>
 Since 2^64-1 == 18446744073709551615 which is 20 digits long, we have that 64-bit palindromic prime numbers are at most 19 digits long.<br>
 Furthermore, since no prime number (except 5) ends with 5, all palindromic prime numbers never begin with 5.