Merge pull request #11659 from TomAugspurger/doc-note

DOC: Clarify foramtting

Author: jreback

doc/source/html-styling.ipynb

@@ -2525,7 +2525,7 @@
    "source": [
     "Above we used `Styler.apply` to pass in each column one at a time.\n",
     "\n",
-    "<p style=\"background-color: #DEDEBE\">*Debugging Tip*: If you're having trouble writing your style function, try just passing it into <code style=\"background-color: #DEDEBE\">df.apply</code>. <code style=\"background-color: #DEDEBE\">Styler.apply</code> uses that internally, so the result should be the same.</p>\n",
+    "<p style=\"background-color: #DEDEBE\">*Debugging Tip*: If you're having trouble writing your style function, try just passing it into <code style=\"background-color: #DEDEBE\">DataFrame.apply</code>. Internally, <code style=\"background-color: #DEDEBE\">Styler.apply</code> uses <code style=\"background-color: #DEDEBE\">DataFrame.apply</code> so the result should be the same.</p>\n",
     "\n",
     "What if you wanted to highlight just the maximum value in the entire table?\n",
     "Use `.apply(function, axis=None)` to indicate that your function wants the entire table, not one column or row at a time. Let's try that next.\n",