Fix typo in logger message

src/trapping/cfrfme.cpp

@@ -242,7 +242,7 @@ void frfme(string data_file, string output_path) {
 	// Array initialization
 	long swap1_size, swap2_size, tfrfme_size;
 	double size_mb;
-	printf("INFO: calculation memory requirements\n");
+	printf("INFO: calculating memory requirements\n");
 	swap1_size = Swap1::get_memory_requirement(lm, nkv);
 	size_mb = 1.0 * swap1_size / 1024.0 / 1024.0;
 	printf("Swap 1: %.2lg MB\n", size_mb);