diff --git a/src/set.cpp b/src/set.cpp
index d61ffae6ae..e3b1962d5d 100644
--- a/src/set.cpp
+++ b/src/set.cpp
@@ -1084,7 +1084,7 @@ void Set::setrandom(int keyword)
     ranmars->select_subset(nsubset,count,flag,work);
 
     // change types of selected atoms
-    // flag vecftor from select_subset() is only for eligible atoms
+    // flag vector from select_subset() is only for eligible atoms
 
     count = 0;
     int eligible = 0;