fix pre commit test

Author: mhmohona

doc/source/examples/analysis/alignment_and_rms/README.rst

@@ -34,4 +34,4 @@ RMSF values to make sense.
    /examples/analysis/alignment_and_rms/rmsf
 
 .. _rmsd: /examples/analysis/alignment_and_rms/rmsd.ipynb
-.. _pairwise: /examples/analysis/alignment_and_rms/pairwise_rmsd.ipynb
+.. _pairwise: /examples/analysis/alignment_and_rms/pairwise_rmsd.ipynb