diff --git a/src/compute_centro_atom.h b/src/compute_centro_atom.h
index a292911e36..d8ff843c62 100644
--- a/src/compute_centro_atom.h
+++ b/src/compute_centro_atom.h
@@ -64,6 +64,6 @@ uses a pairwise neighbor list.
 
 W: More than one compute centro/atom
 
-It is not efficient to use compute centro/atom  more than once.
+It is not efficient to use compute centro/atom more than once.
 
 */