diff --git a/manual/dna-manual.Rnw b/manual/dna-manual.Rnw
index 2e8e81a5..2a6fbd90 100644
--- a/manual/dna-manual.Rnw
+++ b/manual/dna-manual.Rnw
@@ -3001,7 +3001,7 @@ Again you can get help on the function with \code{help(dna\_cluster)}.
 
 We can perform clustering directly on the connection to the sample database we have been using above and do not need to call \code{dna\_network} first:
 
-<<eval=TRUE, results = 'tex'>>=
+<<eval=TRUE, results='tex'>>=
 # Use the command on the connection to the sample
 clust <- dna_cluster(conn)