diff --git a/arrays_strings/unique_chars/unique_chars_challenge.ipynb b/arrays_strings/unique_chars/unique_chars_challenge.ipynb
index aa74dc0..8b98a45 100644
--- a/arrays_strings/unique_chars/unique_chars_challenge.ipynb
+++ b/arrays_strings/unique_chars/unique_chars_challenge.ipynb
@@ -51,8 +51,6 @@
    "source": [
     "## Test Cases\n",
     "\n",
-    "*It is important to identify and run through general and edge cases by hand.*\n",
-    "\n",
     "* '' -> True\n",
     "* 'foo' -> False\n",
     "* 'bar' -> True"