diff --git a/prymer/model.py b/prymer/model.py
index 823b62f..4f74869 100644
--- a/prymer/model.py
+++ b/prymer/model.py
@@ -565,7 +565,7 @@ class PrimerPair:
         Span(refname='chr1', start=1, end=120, strand=<Strand.POSITIVE: '+'>)
         >>> list(primer_pair)
         [Oligo(bases='GGGGGGGGGGGGGGGGGGGG', tm=70.0, span=Span(refname='chr1', start=1, end=20, strand=<Strand.POSITIVE: '+'>), penalty=-123.0, name=None, tm_homodimer=None, tm_3p_anchored_homodimer=None, tm_secondary_structure=None, tail=None), Oligo(bases='TTTTTTTTTTTTTTTTTTTT', tm=70.0, span=Span(refname='chr1', start=101, end=120, strand=<Strand.NEGATIVE: '-'>), penalty=-123.0, name=None, tm_homodimer=None, tm_3p_anchored_homodimer=None, tm_secondary_structure=None, tail=None)]
-    ```
+        ```
 
     """  # noqa: E501