diff --git a/input/kinetics/families/Surface_Abstraction/groups.py b/input/kinetics/families/Surface_Abstraction/groups.py
index 628bbf8573..090c601cde 100644
--- a/input/kinetics/families/Surface_Abstraction/groups.py
+++ b/input/kinetics/families/Surface_Abstraction/groups.py
@@ -586,10 +586,10 @@
     L2: *R-H
         L3: *C-H
             L4: *-C-H
-		L5: *-CH-H
+		        L5: *-CH-H
                    L6: *-CH2-H
             L4: *=C-H
-		L5: *=CH-H
+		        L5: *=CH-H
             L4: *#C-H
         L3: *N-H
             L4: *-N-H