diff --git a/doc/develop/html/index.html b/doc/develop/html/index.html
index 600a29c6..153b54b2 100644
--- a/doc/develop/html/index.html
+++ b/doc/develop/html/index.html
@@ -126,7 +126,7 @@
   </p>
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: January 06, 2021 at 12:56:42 GMT</small></p></td>
+<td align="left"><p><small>Last revised: January 21, 2021 at 12:26:15 GMT</small></p></td>
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diff --git a/doc/develop/html/numpy/.doctrees/environment.pickle b/doc/develop/html/numpy/.doctrees/environment.pickle
index ef29f890..a282c8db 100644
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diff --git a/doc/develop/html/reference/index.html b/doc/develop/html/reference/index.html
index a0e2baa8..a9118cc1 100644
--- a/doc/develop/html/reference/index.html
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@@ -127,7 +127,7 @@
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: January 06, 2021 at 12:56:44 GMT</small></p></td>
+<td align="left"><p><small>Last revised: January 21, 2021 at 12:26:17 GMT</small></p></td>
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diff --git a/doc/develop/html/tutorial/index.html b/doc/develop/html/tutorial/index.html
index 77dd6295..18f363de 100644
--- a/doc/develop/html/tutorial/index.html
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@@ -140,7 +140,7 @@
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: January 06, 2021 at 12:56:43 GMT</small></p></td>
+<td align="left"><p><small>Last revised: January 21, 2021 at 12:26:16 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
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