1 files changed, 1 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 4697fd3e6d..3f1ebea9f4 100644
--- a/hash.c
+++ b/hash.c
@@ -1888,7 +1888,7 @@ env_aset(obj, nm, val)
     char *name, *value;
 
     if (rb_safe_level() >= 4) {
-	rb_raise(rb_eSecurityError, "cannot change environment variable");
+	rb_raise(rb_eSecurityError, "can't change environment variable");
     }
 
     if (NIL_P(val)) {