diff --git a/tests/test_level4/test_placeholder_shown.py b/tests/test_level4/test_placeholder_shown.py
index 96c9ace..53bd439 100644
--- a/tests/test_level4/test_placeholder_shown.py
+++ b/tests/test_level4/test_placeholder_shown.py
@@ -9,15 +9,15 @@ def test_placeholder_shown(self):
         """Test placeholder shown."""
 
         markup = """
-        /* These have a placeholder. */
+        <!-- These have a placeholder. -->
         <input id="0" placeholder="This is some text">
         <textarea id="1" placeholder="This is some text"></textarea>
 
-        /* These do not have a placeholder. */
+        <!-- These do not have a placeholder. -->
         <input id="2" placeholder="">
         <input id="3">
 
-        /* All types that should register has having a placeholder. */
+        <!-- All types that should register has having a placeholder. -->
         <input id="4" type="email" placeholder="This is some text">
         <input id="5" type="number" placeholder="This is some text">
         <input id="6" type="password" placeholder="This is some text">
@@ -28,7 +28,7 @@ def test_placeholder_shown(self):
         <input id="11" type="" placeholder="This is some text">
         <input id="12" type placeholder="This is some text">
 
-        /* Types that should not register has having a placeholder. */
+        <!-- Types that should not register has having a placeholder. -->
         <input id="13" type="button" placeholder="This is some text">
         <input id="14" type="checkbox" placeholder="This is some text">
         <input id="15" type="color" placeholder="This is some text">
@@ -45,20 +45,20 @@ def test_placeholder_shown(self):
         <input id="26" type="time" placeholder="This is some text">
         <input id="27" type="week" placeholder="This is some text">
 
-        /* Value will not override this instance as value is empty. */
+        <!-- Value will not override this instance as value is empty. -->
         <input id="28" type placeholder="This is some text" value="">
 
-        /* Value will override this input */
+        <!-- Value will override this input -->
         <input id="29" type placeholder="This is some text" value="Actual value">
 
-        /* Text area content overrides the placeholder
+        <!-- Text area content overrides the placehold-->
         <textarea id="30" placeholder="This is some text">Value</textarea>
         <textarea id="31" placeholder="This is some text">
 
 
         </textarea>
 
-        /* Text area is still considered empty with a single new line (does not include carriage return). */
+        <!-- Text area is still considered empty with a single new line (does not include carriage return). -->
         <textarea id="32" placeholder="This is some text">
         </textarea>
         """