diff --git a/docs/main/.doctrees/background.doctree b/docs/main/.doctrees/background.doctree
index a52cf20..4cfb169 100644
Binary files a/docs/main/.doctrees/background.doctree and b/docs/main/.doctrees/background.doctree differ
diff --git a/docs/main/.doctrees/environment.pickle b/docs/main/.doctrees/environment.pickle
index 6fe1b30..7a25f85 100644
Binary files a/docs/main/.doctrees/environment.pickle and b/docs/main/.doctrees/environment.pickle differ
diff --git a/docs/main/_sources/background.rst.txt b/docs/main/_sources/background.rst.txt
index 4529260..eb86e2a 100644
--- a/docs/main/_sources/background.rst.txt
+++ b/docs/main/_sources/background.rst.txt
@@ -126,7 +126,7 @@ Fourier transform of :math:`\eqref{dlrexp}` yields
 
 .. math::
   \begin{equation}
-    G(i nu_n) \approx \sum_{l=1}^r K(i \nu_n,\omega_l) \widehat{g}_l, \label{dlrexp_imfreq} \tag{2}
+    G(i \nu_n) \approx \sum_{l=1}^r K(i \nu_n,\omega_l) \widehat{g}_l, \label{dlrexp_imfreq} \tag{2}
   \end{equation}
 
 so we see that the DLR expansion can be evaluated directly in imaginary time or
@@ -267,4 +267,4 @@ containing the point :math:`i \nu_n = 0` must have an odd number of points.
 Since it is undesirable to disallow this point, and to make sure all grids have
 the same number :math:`r` of points, we force :math:`r` to be odd. This requires
 including in each grid, by hand, a single point of high symmetry, and then allowing the
-pivoted Gram-Schmidt procedure to select the rest of the points symmetrically.
\ No newline at end of file
+pivoted Gram-Schmidt procedure to select the rest of the points symmetrically.
diff --git a/docs/main/background.html b/docs/main/background.html
index 2dc5c10..5ba45d1 100644
--- a/docs/main/background.html
+++ b/docs/main/background.html
@@ -193,7 +193,7 @@ <h2>DLR in the Matsubara frequency domain<a class="headerlink" href="#dlr-in-the
 <p>Fourier transform of <span class="math notranslate nohighlight">\(\eqref{dlrexp}\)</span> yields</p>
 <div class="math notranslate nohighlight">
 \[\begin{equation}
-  G(i nu_n) \approx \sum_{l=1}^r K(i \nu_n,\omega_l) \widehat{g}_l, \label{dlrexp_imfreq} \tag{2}
+  G(i \nu_n) \approx \sum_{l=1}^r K(i \nu_n,\omega_l) \widehat{g}_l, \label{dlrexp_imfreq} \tag{2}
 \end{equation}\]</div>
 <p>so we see that the DLR expansion can be evaluated directly in imaginary time or
 imaginary frequency, i.e. the Fourier transform is performed analytically. As in
diff --git a/docs/main/searchindex.js b/docs/main/searchindex.js
index 7308b35..ab32fcf 100644
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