diff --git a/4-JupyterLab-UI/Exercise-1-solutions.ipynb b/4-JupyterLab-UI/Exercise-1-solutions.ipynb
index ca524d0..3a8d312 100644
--- a/4-JupyterLab-UI/Exercise-1-solutions.ipynb
+++ b/4-JupyterLab-UI/Exercise-1-solutions.ipynb
@@ -30,7 +30,7 @@
     "    from IPython.display import Math\n",
     "    Math('\\Delta = b^2-4ac')\n",
     "\n",
-    "Keep getting the feel of the editor (select and press TAB...)"
+    "Keep getting the feel of the editor (Select and press TAB ...)"
    ]
   },
   {