diff --git a/README.md b/README.md
index ef43f10..f3a7b9b 100644
--- a/README.md
+++ b/README.md
@@ -50,8 +50,6 @@ non-standard dependency is [zlib][zlib].
### Sequence-to-graph mapping
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-
To map sequences against a graph, you should prepare the graph in the [GFA
format][gfa1], or preferrably the [rGFA format][rgfa]. If you don't have
a graph, you can generate a graph from multiple samples (see the [Graph
@@ -103,6 +101,8 @@ Prebuilt human graphs in the rGFA format can be found at
### Algorithm overview
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+
In the following, minigraph command line options have a dash ahead and are
highlighted in bold. The description may help to tune minigraph parameters.