diff --git a/src/SIEVE01.c b/src/SIEVE01.c
index f17c422..a491adf 100644
--- a/src/SIEVE01.c
+++ b/src/SIEVE01.c
@@ -3,6 +3,7 @@
 #define LIMIT 10000
 #define PRIMES 1000
 
+// Sieve of Eratosthenes
 int main()
 {
    int i,j,numbers[LIMIT];