diff --git a/Lab 5/Lab 5.ipynb b/Lab 5/Lab 5.ipynb
index ee3d2b0..de4bfeb 100644
--- a/Lab 5/Lab 5.ipynb	
+++ b/Lab 5/Lab 5.ipynb	
@@ -78,7 +78,7 @@
    "source": [
     "Make a plot of each star's spectrum as a function of wavelength.  Please label the figures nicely using appropriate labels. For example: \n",
     "```\n",
-    "plt.xlabel(r'Wavelength ( \\$ \\textbackslash AA \\$ )'\n",
+    "plt.xlabel(r'Wavelength ( $ \\AA $ )'\n",
     "```\n",
     "\n",
     "The ```r``` before the string tells matplotlib that it should use Latex to render this.  Please get the units right for the vertical axis.  Hint: if you are unsure of how to write a symbol in Latex, try [http://detexify.kirelabs.org](http://detexify.kirelabs.org). "
@@ -263,11 +263,11 @@
    "source": [
     "From this point, ```python``` actually makes our lives pretty easy.  First, let's read in one of the spectral files (first column is wavelength, second column is flux density $F_\\lambda$):\n",
     "```\n",
-    "spec\\_data = np.loadtxt('f05.dat')\n",
+    "spec_data = np.loadtxt('f05.dat')\n",
     "```\n",
     "and then\n",
     "```\n",
-    "Flam = interpolate.interp1d(spec\\_data[:, 0], spec\\_data[:, 1], kind='cubic')\n",
+    "Flam = interpolate.interp1d(spec_data[:, 0], spec_data[:, 1], kind='cubic')\n",
     "```\n"
    ]
   },
@@ -275,7 +275,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Now ```Flam``` is a function that you can call just like ```np.sin```.  Calling this function will return an error if you ask it for the value outside the range of $x$-values you supplied to ```interpolate.interp1d```. **For the transfer function, we may assume that it is zero outside of the wavelength range given.  Read the documentation page (check the keywords ```bounds_error``` and ```fill\\_value```) to make the function behave in this way.**"
+    "Now ```Flam``` is a function that you can call just like ```np.sin```.  Calling this function will return an error if you ask it for the value outside the range of $x$-values you supplied to ```interpolate.interp1d```. **For the transfer function, we may assume that it is zero outside of the wavelength range given.  Read the documentation page (check the keywords ```bounds_error``` and ```fill_value```) to make the function behave in this way.**"
    ]
   },
   {