Combine two list items into one to revert changes

Author: kakirastern

tutorials/notebooks/units-and-integration/units-and-integration.ipynb

@@ -324,10 +324,9 @@
     "\n",
     "* Right now, we aren't worried about the bounds of the power law, but the IMF should drop off to zero probability at masses below .01 solar masses and above 100 solar masses. Modify `PowerLawPDF` in a way that allows both `float` and `numpy.ndarray` inputs.\n",
     "* Modify the `PowerLawPDF` class to explicitly use `astropy`'s `units` constructs.\n",
-    "* Derive a relationship between recent star-formation rate and $H\\alpha$ luminosity.\n", 
-    "* In other words, find a value of $C$ for the function\n",
+    "* Derive a relationship between recent star-formation rate and $H\\alpha$ luminosity. In other words, find a value of $C$ for the function\n",
     "\n",
-    "$${\\rm SFR \\, [\\frac{M_{\\odot}}{yr}]} = {\\rm C \\, L_{H\\alpha} \\, [\\frac{erg}{s}]} \\, ,$$\n",
+    "$${\\rm SFR \\, [\\frac{M_{\\odot}}{yr}]} = {\\rm C \\, L_{H\\alpha} \\, [\\frac{erg}{s}]} \\, .$$\n",
     "\n",
     "* How does this depend on the slope and endpoints of the IMF?\n",
     "* Take a look at Appendix B of [Hunter & Elmegreen 2004, AJ, 128, 2170](http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:astro-ph/0408229)\n",