diff --git a/src/sparsevec.c b/src/sparsevec.c
index b0c0055..f8444a0 100644
--- a/src/sparsevec.c
+++ b/src/sparsevec.c
@@ -887,6 +887,7 @@ sparsevec_l2_normalize(PG_FUNCTION_ARGS)
 				zeros++;
 		}
 
+		/* In the unlikely event there are zeros */
 		if (zeros > 0)
 		{
 			SparseVector *newResult = InitSparseVector(result->dim, result->nnz - zeros);