Fix docs

benjeffery · benjeffery · commit 151ff700f14c · 2025-06-12T09:36:38.000+01:00
diff --git a/docs/file-formats.md b/docs/file-formats.md
@@ -110,8 +110,8 @@ position      ancestral_state
 mutations = """\
 site   node    derived_state    time    parent
 0      0       A                0.5     -1
+1      1       A                1.0     -1
 1      0       T                1.5     -1
-1      1       A                1.0     1
 """
 
 migrations = """\
