change gloabal to global in exercise2

Author: timgrossmann

lesson06/Exercise02/exercise02_solution.ipynb

@@ -718,7 +718,7 @@
    ],
    "source": [
     "# plotting the global population density change and the one for Japan \n",
-    "plot = figure(title='Gloabal Mean Population Density compared to Japan', x_axis_label='Year', y_axis_label='Population Density')\n",
+    "plot = figure(title='Global Mean Population Density compared to Japan', x_axis_label='Year', y_axis_label='Population Density')\n",
     "\n",
     "plot.line(years, mean_pop_vals, line_width=2, legend='Global Mean')\n",
     "plot.cross(years, jp_vals, legend='Japan', line_color='red')\n",
@@ -865,7 +865,7 @@
     "# creating the plot object\n",
     "title = Title(\n",
     "    align = 'left',\n",
-    "    text = 'Gloabal Mean Population Density compared to Japan'\n",
+    "    text = 'Global Mean Population Density compared to Japan'\n",
     ")\n",
     "\n",
     "plot = Plot(\n",
@@ -1081,7 +1081,7 @@
    "source": [
     "# creating the legend\n",
     "legend_items= [\n",
-    "    LegendItem(label='Gloabal Mean', renderers=[line_renderer]),\n",
+    "    LegendItem(label='Global Mean', renderers=[line_renderer]),\n",
     "    LegendItem(label='Japan', renderers=[cross_renderer])\n",
     "]\n",
     "\n",