diff --git a/test cases/failing/65 grab sibling/subprojects/b/sneaky.c b/test cases/failing/65 grab sibling/subprojects/b/sneaky.c
index f1cb91679..46718c6cc 100644
--- a/test cases/failing/65 grab sibling/subprojects/b/sneaky.c	
+++ b/test cases/failing/65 grab sibling/subprojects/b/sneaky.c	
@@ -1,6 +1,6 @@
 #include<stdio.h>
 
 int main(int argc, char **argv) {
-    printf("I can only come into existance via trickery.\n");
+    printf("I can only come into existence via trickery.\n");
     return 0;
 }