1 files changed, 1 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index f3aeadfc..b31d11d1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -33,7 +33,7 @@
 static void main_show_help(const char *s)
 {
 	printf("Syntax: %s <file1.h5> <file2.h5> [...]\n\n", s);
-	printf("Index diffraction patterns\n\n");
+	printf("Simulate diffraction patterns\n\n");
 	printf("  -h              Display this help message\n");
 }