doc: minor fixes

Author: james-d-mitchell

docs/source/data-structures/to-function.rst

@@ -7,6 +7,10 @@
 
 .. currentmodule:: libsemigroups_pybind11
 
+.. |br| raw:: html
+
+       <br />
+
 The ``to`` function
 ===================
 
@@ -26,6 +30,7 @@ A summary of the possible conversions available in ``libsemigroups_pybind11`` of
     :align: center
     :alt: A table containing the possible conversions of libsemigroups_pybind11 types.
 
+|br|
 A tick indicates that this conversion is implemented, and a cross that it is not
 yet implemented.
 

src/libsemigroups_pybind11/to.py

@@ -88,7 +88,7 @@ def _nice_name(type_list):
 
 
 def to(*args, rtype: tuple):
-    """Convert from one type of `libsemigroups` object to another
+    """Convert from one type of ``libsemigroups_pybind11`` object to another.
 
     This function converts the the arguments specified in *args* to object of
     type *rtype*.