diff --git a/Introduction-to-Pandas--master.ipynb b/Introduction-to-Pandas--master.ipynb
index 752090b33060577d84ba86af91932d8ad9edf04e..3af586fef319c3b87cb2373bad52d567640abb5c 100644
--- a/Introduction-to-Pandas--master.ipynb
+++ b/Introduction-to-Pandas--master.ipynb
@@ -5475,7 +5475,7 @@
     "Use the Nest data frame `df` to:\n",
     "\n",
     "1. Make threads index of the data frame (`.set_index()`)\n",
-    "2. Plot `\"Presim. Program / s\"` and `\"Sim. Time / s`\" individually\n",
+    "2. Plot `\"Presim. Time / s\"` and `\"Sim. Time / s`\" individually\n",
     "3. Plot them onto one common canvas!\n",
     "4. Make them have the same line colors and styles as before\n",
     "5. Add a legend, add missing axes labels\n",
diff --git a/Introduction-to-Pandas--slides.html b/Introduction-to-Pandas--slides.html
index 30fb9e311ba62d73b35425d2c6c250fd6073f869..fa4d8215cba6bc9f2f692a6498baa98ba23af1aa 100644
--- a/Introduction-to-Pandas--slides.html
+++ b/Introduction-to-Pandas--slides.html
@@ -20095,7 +20095,7 @@ Name: C, dtype: bool</pre>
 <p>Use the Nest data frame <code>df</code> to:</p>
 <ol>
 <li>Make threads index of the data frame (<code>.set_index()</code>)</li>
-<li>Plot <code>"Presim. Program / s"</code> and <code>"Sim. Time / s</code>" individually</li>
+<li>Plot <code>"Presim. Time / s"</code> and <code>"Sim. Time / s</code>" individually</li>
 <li>Plot them onto one common canvas!</li>
 <li>Make them have the same line colors and styles as before</li>
 <li>Add a legend, add missing axes labels</li>
diff --git a/Introduction-to-Pandas--slides.ipynb b/Introduction-to-Pandas--slides.ipynb
index d47f43ab2e52d125b1029e5682774be885c0bbc2..f8d4c80a811ef790a96a2ef609c23bfc7c009ad1 100644
--- a/Introduction-to-Pandas--slides.ipynb
+++ b/Introduction-to-Pandas--slides.ipynb
@@ -5435,7 +5435,7 @@
     "Use the Nest data frame `df` to:\n",
     "\n",
     "1. Make threads index of the data frame (`.set_index()`)\n",
-    "2. Plot `\"Presim. Program / s\"` and `\"Sim. Time / s`\" individually\n",
+    "2. Plot `\"Presim. Time / s\"` and `\"Sim. Time / s`\" individually\n",
     "3. Plot them onto one common canvas!\n",
     "4. Make them have the same line colors and styles as before\n",
     "5. Add a legend, add missing axes labels\n",
diff --git a/Introduction-to-Pandas--solution.ipynb b/Introduction-to-Pandas--solution.ipynb
index 40dcf5483accfd8b596db07758484bd9968a01a5..575a283d32f782c652f465a30fcba0acbdf5344f 100644
--- a/Introduction-to-Pandas--solution.ipynb
+++ b/Introduction-to-Pandas--solution.ipynb
@@ -850,7 +850,7 @@
     "Use the Nest data frame `df` to:\n",
     "\n",
     "1. Make threads index of the data frame (`.set_index()`)\n",
-    "2. Plot `\"Presim. Program / s\"` and `\"Sim. Time / s`\" individually\n",
+    "2. Plot `\"Presim. Time / s\"` and `\"Sim. Time / s`\" individually\n",
     "3. Plot them onto one common canvas!\n",
     "4. Make them have the same line colors and styles as before\n",
     "5. Add a legend, add missing axes labels\n",
diff --git a/Introduction-to-Pandas--tasks.ipynb b/Introduction-to-Pandas--tasks.ipynb
index 4cb524efe1e3f38f219ccbdc11763c217637032a..bfe39024f1076b9410b67cb8186e48feadfda78b 100644
--- a/Introduction-to-Pandas--tasks.ipynb
+++ b/Introduction-to-Pandas--tasks.ipynb
@@ -226,7 +226,7 @@
     "Use the Nest data frame `df` to:\n",
     "\n",
     "1. Make threads index of the data frame (`.set_index()`)\n",
-    "2. Plot `\"Presim. Program / s\"` and `\"Sim. Time / s`\" individually\n",
+    "2. Plot `\"Presim. Time / s\"` and `\"Sim. Time / s`\" individually\n",
     "3. Plot them onto one common canvas!\n",
     "4. Make them have the same line colors and styles as before\n",
     "5. Add a legend, add missing axes labels\n",
diff --git a/static-slides-bundle.tar.gz b/static-slides-bundle.tar.gz
index f3a7ec5f46b469894608bba0c447e4f0cf5b585b..19f7ac4e4efc6bae3881a7f2974fbdddad5dc279 100644
Binary files a/static-slides-bundle.tar.gz and b/static-slides-bundle.tar.gz differ