diff --git a/_preview/1/README.html b/_preview/1/README.html
index aa56775..f915684 100644
--- a/_preview/1/README.html
+++ b/_preview/1/README.html
@@ -448,7 +448,7 @@ <h3>Foundations and Terminology<a class="headerlink" href="#foundations-and-term
 <section id="working-with-great-circles">
 <h3>Working with Great Circles<a class="headerlink" href="#working-with-great-circles" title="Link to this heading"><i class="fas fa-link"></i></a></h3>
 <ol class="arabic simple">
-<li><p>Great Circle Arcs and Paths</p></li>
+<li><p><strong>Great Circle Arcs and Paths</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Generating a great circle arc and path</p></li>
@@ -458,7 +458,7 @@ <h3>Working with Great Circles<a class="headerlink" href="#working-with-great-ci
 <li><p>Compare great circle arc to rhumb line</p></li>
 </ul>
 <ol class="arabic simple" start="2">
-<li><p>Great Circles and a Point</p></li>
+<li><p><strong>Great Circles and a Point</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Determine the distance of a point to a great circle arc</p></li>
@@ -466,21 +466,21 @@ <h3>Working with Great Circles<a class="headerlink" href="#working-with-great-ci
 <li><p>Determine if a point lies on a great circle arc and path (with and without tolerances)</p></li>
 </ul>
 <ol class="arabic simple" start="3">
-<li><p>Great Circles and Parallels</p></li>
+<li><p><strong>Great Circles and Parallels</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Determine the maximum and minimum latitude coordinates along a great circle path</p></li>
 <li><p>Determine when a great circle path crosses parallels</p></li>
 </ul>
 <ol class="arabic simple" start="4">
-<li><p>Intersections of Great Circles</p></li>
+<li><p><strong>Intersections of Great Circles</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Find the intersection of two great circle arcs (if it exists)</p></li>
 <li><p>Find the intersection of two great circle paths (always exists)</p></li>
 </ul>
 <ol class="arabic simple" start="5">
-<li><p>Angles and Great Cirlces</p></li>
+<li><p><strong>Angles and Great Cirlces</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Calculate the acute and obtuse angle of two great circle paths</p></li>
@@ -488,7 +488,7 @@ <h3>Working with Great Circles<a class="headerlink" href="#working-with-great-ci
 <li><p>Working with Spherical Triangles formed by great circle arcs</p></li>
 </ul>
 <ol class="arabic simple" start="6">
-<li><p>Indiana Jones and the Great Circle</p></li>
+<li><p><strong>Indiana Jones and the Great Circle</strong></p></li>
 </ol>
 <ul class="simple">
 <li><p>Working Example</p></li>
diff --git a/_preview/1/_sources/README.md b/_preview/1/_sources/README.md
index 29b9784..1b6d7cd 100644
--- a/_preview/1/_sources/README.md
+++ b/_preview/1/_sources/README.md
@@ -46,32 +46,32 @@ Each section will make use of plotting to visually demonstrate concepts with `ma
 
 ### Working with Great Circles
 
-1. Great Circle Arcs and Paths
+1. **Great Circle Arcs and Paths**
 - Generating a great circle arc and path
 - Midpoint (and additional intermediate points) of a great circle arc
 - Length of a great circle arc (the distance between two points)
 - Bearing of a great circle arc
 - Compare great circle arc to rhumb line
 
-2. Great Circles and a Point
+2. **Great Circles and a Point**
 - Determine the distance of a point to a great circle arc
 - Determine the distance of a point to a great circle path
 - Determine if a point lies on a great circle arc and path (with and without tolerances)
 
-3. Great Circles and Parallels
+3. **Great Circles and Parallels**
 - Determine the maximum and minimum latitude coordinates along a great circle path
 - Determine when a great circle path crosses parallels
 
-4. Intersections of Great Circles
+4. **Intersections of Great Circles**
 - Find the intersection of two great circle arcs (if it exists)
 - Find the intersection of two great circle paths (always exists)
 
-5. Angles and Great Cirlces
+5. **Angles and Great Cirlces**
 - Calculate the acute and obtuse angle of two great circle paths
 - Calculate the directed angle of two great circle paths based on an intersection point
 - Working with Spherical Triangles formed by great circle arcs
 
-6. Indiana Jones and the Great Circle
+6. **Indiana Jones and the Great Circle**
 - Working Example
 
 ## Running the Notebooks
diff --git a/_preview/1/_sources/notebooks/foundations/terminology.ipynb b/_preview/1/_sources/notebooks/foundations/terminology.ipynb
index 0ea723d..bbd038a 100644
--- a/_preview/1/_sources/notebooks/foundations/terminology.ipynb
+++ b/_preview/1/_sources/notebooks/foundations/terminology.ipynb
@@ -291,13 +291,6 @@
     "\n",
     "Coordinates and Great Circles\n"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
diff --git a/_preview/1/notebooks/notebook-template.html b/_preview/1/notebooks/notebook-template.html
index 881ac84..68afc2c 100644
--- a/_preview/1/notebooks/notebook-template.html
+++ b/_preview/1/notebooks/notebook-template.html
@@ -518,8 +518,8 @@ <h5>of further and further<a class="headerlink" href="#of-further-and-further" t
 <section id="header-levels">
 <h6>header levels<a class="headerlink" href="#header-levels" title="Link to this heading"><i class="fas fa-link"></i></a></h6>
 <p>as well <span class="math notranslate nohighlight">\(m = a * t / h\)</span> text! Similarly, you have access to other <span class="math notranslate nohighlight">\(\LaTeX\)</span> equation <a class="reference external" href="https://jupyter-notebook.readthedocs.io/en/stable/examples/Notebook/Typesetting%20Equations.html"><strong>functionality</strong></a> via MathJax (demo below from link),</p>
-<div class="amsmath math notranslate nohighlight" id="equation-55704c47-c49f-4250-b807-4e3e209948fa">
-<span class="eqno">(1)<a class="headerlink" href="#equation-55704c47-c49f-4250-b807-4e3e209948fa" title="Permalink to this equation"><i class="fas fa-link"></i></a></span>\[\begin{align}
+<div class="amsmath math notranslate nohighlight" id="equation-eee38479-d34c-4d6d-85ea-6a6122c5f570">
+<span class="eqno">(1)<a class="headerlink" href="#equation-eee38479-d34c-4d6d-85ea-6a6122c5f570" title="Permalink to this equation"><i class="fas fa-link"></i></a></span>\[\begin{align}
 \dot{x} &amp; = \sigma(y-x) \\
 \dot{y} &amp; = \rho x - y - xz \\
 \dot{z} &amp; = -\beta z + xy