diff --git a/docs/usecases/hapax_legomena.ipynb b/docs/usecases/hapax_legomena.ipynb
index c8f1f01..4030b26 100644
--- a/docs/usecases/hapax_legomena.ipynb
+++ b/docs/usecases/hapax_legomena.ipynb
@@ -5,9 +5,7 @@
    "id": "80d38a5a-973c-46a7-a042-a2c53019254f",
    "metadata": {},
    "source": [
-    "# Hapax legomena (Nestle1904GBI)\n",
-    "\n",
-    "**Work in progress**"
+    "# Hapax legomena (Nestle1904GBI)"
    ]
   },
   {
@@ -21,8 +19,7 @@
     "    * <a href=\"#bullet1x2\">1.2 - Translating into Text-Fabric queries</a>\n",
     "* <a href=\"#bullet2\">2 - Load Text-Fabric app and data</a>\n",
     "* <a href=\"#bullet3\">3 - Performing the queries</a>\n",
-    "    * <a href=\"#bullet3x1\">3.1 - TBD</a>\n",
-    "    * <a href=\"#bullet3x2\">3.2 - TBD</a>\n",
+    "    * <a href=\"#bullet3x1\">3.1 - Find the hapax legomena (words)</a>\n",
     "* <a href=\"#bullet4\">4 - Footnotes and attribution</a>\n",
     "* <a href=\"#bullet5\">5 - Required libraries</a>"
    ]
@@ -35,7 +32,7 @@
     "# 1 - Introduction <a class=\"anchor\" id=\"bullet1\"></a>\n",
     "##### [Back to TOC](#TOC)\n",
     "\n",
-    "A hapax legomenon (plural: hapax legomena) is a term used in linguistics and literary analysis to refer to a word or expression that appears only once in a specific corpus. In the context of the Bible, hapax legomena are words that occur only once in the entire biblical text."
+    "A *hapax legomenon* (plural: *hapax legomena*) is a term used in linguistics and literary analysis to refer to a word or idiomatic expression that appears only once in a specific corpus. In the context of the Bible, *hapax legomena* are words that occur only once in the entire biblical text."
    ]
   },
   {
@@ -45,12 +42,12 @@
    "source": [
     "## 1.1 - Why is this relevant? <a class=\"anchor\" id=\"bullet1x1\"></a>\n",
     "\n",
-    "Hapax legomena, being unique words in the context of a corpus, can pose challenges for translators and scholars because their meanings may not be evident from their context, as there are no other occurrences to provide insights.\n",
+    "*Hapax legomena*, being unique words in the context of a corpus, can pose challenges for translators and scholars because their meanings may not be evident from their context, as there are no other occurrences to provide insights.\n",
     "\n",
-    "Although a list of hapax legomenon can be computed rather easily, the usefullnes of such a list is limited, as there are various types of border cases. Hence, a list provided below has limited value and should be critically examined.\n",
+    "Although a list of *hapax legomenon* can be computed rather easily, the usefullnes of such a list is limited, as there are various types of border cases. Hence, a list provided below has limited value and should be critically examined.\n",
     "\n",
-    "* Technically not a hapax, but in practice, it could be regarded as such. For example, the Greek word ἐπιούσιος is found only twice, in the Lord's Prayer (Matthew 6:11 and Luke 11:3), where its precise meaning is uncertain, leading to various interpretations such as \"daily,\" \"necessary,\" or \"supernatural.\"\n",
-    "* Technically a hapax legomenon for the New Testament, but found in the Septuagint (LXX). For example, a name (e.g., Δανιήλ) may not have any uncertain meaning. The meaning of other words may be clear from context or found in parallel corpora like the LXX."
+    "* Technically not a *hapax legomenon*, but in practice, it could be regarded as such. For example, the Greek word ἐπιούσιος is found only twice (so it is actualy a *dis legomenon*), in the Lord's Prayer (Matthew 6:11 and Luke 11:3), where its precise meaning is uncertain, leading to various interpretations such as \"daily,\" \"necessary,\" or \"supernatural.\" <a href=\"#note1\">(note 1)</a>\n",
+    "* Technically a *hapax legomenon* for the New Testament, but found in the Septuagint (LXX). For example, a name (e.g., Δανιήλ) may not have any uncertain meaning. The meaning of other words may be clear from context or found in parallel corpora like the LXX."
    ]
   },
   {
@@ -2007,6 +2004,15 @@
     "##### [Back to TOC](#TOC)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "4268f6cc-c001-466f-b42e-d0185d02b770",
+   "metadata": {},
+   "source": [
+    "## 3.1 - Find the hapax legomena (words)<a class=\"anchor\" id=\"bullet3x1\"></a>\n",
+    "##### [Back to TOC](#TOC)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "a11aa12e-eee4-444b-b86d-e3bd07362701",
@@ -2016,9 +2022,9 @@
     "\n",
     " * normalized: This is basicly a 'cleaned up' version of the surface text. It does take into account forms where inflections of verbs and declensions of nouns are considered as separate words. The normalization is required to account for variations in accentuation.\n",
     "\n",
-    " * lemma: here the base or root form of words, known as lemmas, serves as the basis for frequency calculations. \n",
+    " * lemma: here the base or root form of words, known as lemmas, serves as the basis for frequency calculations. When based upon feature \"lemma\", there are a few instances reported which refer to a specific sense associated with that lemma. For example, lemma=\"βάτος (II)\" is only found once (in Luke 16:6), while lemma=\"βάτος (I)\" is found five times in the NT. \n",
     " \n",
-    "The latter approach represents the customary interpretation for ascertaining hapax legomena."
+    "Note that the latter approach represents the customary interpretation for ascertaining hapax legomena."
    ]
   },
   {
@@ -3985,7 +3991,9 @@
     "# 4 - Footnotes and attribution <a class=\"anchor\" id=\"bullet4\"></a>\n",
     "##### [Back to TOC](#TOC)\n",
     "\n",
-    "TBD"
+    "#### Note 1 (on ἐπιούσιος) <a class=\"anchor\" id=\"note1\">\n",
+    "    \n",
+    "See the extensive discussion on ἐπιούσιος in: Brant Pitre, *Jesus and the Jewish Roots of the Eucharist, Unlocking the Secrets of the Last Supper* (New York: Doubleday, 2011), 93-96; *pasim*."
    ]
   },
   {