diff --git a/client/i18n/locales/chinese-traditional/intro.json b/client/i18n/locales/chinese-traditional/intro.json
index 070439d3b38..1be8edf9d59 100644
--- a/client/i18n/locales/chinese-traditional/intro.json
+++ b/client/i18n/locales/chinese-traditional/intro.json
@@ -3491,10 +3491,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4060,9 +4056,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/chinese/intro.json b/client/i18n/locales/chinese/intro.json
index 3ac0150664f..5561d26aa4e 100644
--- a/client/i18n/locales/chinese/intro.json
+++ b/client/i18n/locales/chinese/intro.json
@@ -3491,10 +3491,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4060,9 +4056,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/espanol/intro.json b/client/i18n/locales/espanol/intro.json
index b57e0e40c4c..aa5df9779d0 100644
--- a/client/i18n/locales/espanol/intro.json
+++ b/client/i18n/locales/espanol/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/german/intro.json b/client/i18n/locales/german/intro.json
index 0a3fd22bf88..4b0a9eb6377 100644
--- a/client/i18n/locales/german/intro.json
+++ b/client/i18n/locales/german/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/italian/intro.json b/client/i18n/locales/italian/intro.json
index be9ce916b04..b3311c591c5 100644
--- a/client/i18n/locales/italian/intro.json
+++ b/client/i18n/locales/italian/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/japanese/intro.json b/client/i18n/locales/japanese/intro.json
index 496fd553311..a7f04ce4be5 100644
--- a/client/i18n/locales/japanese/intro.json
+++ b/client/i18n/locales/japanese/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/korean/intro.json b/client/i18n/locales/korean/intro.json
index a8a3c5dc9f0..1f52bdeda08 100644
--- a/client/i18n/locales/korean/intro.json
+++ b/client/i18n/locales/korean/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/portuguese/intro.json b/client/i18n/locales/portuguese/intro.json
index cedb578aeff..ef44f14ac8f 100644
--- a/client/i18n/locales/portuguese/intro.json
+++ b/client/i18n/locales/portuguese/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/swahili/intro.json b/client/i18n/locales/swahili/intro.json
index b8a53ae56ce..27b152012d6 100644
--- a/client/i18n/locales/swahili/intro.json
+++ b/client/i18n/locales/swahili/intro.json
@@ -3505,10 +3505,6 @@
           "You'll practice using state and hooks to manage the properties of an element."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Understanding Effects and Referencing Values in React",
         "intro": [
@@ -4074,9 +4070,12 @@
         "title": "Build a Linked List Class",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Build an Hash Table Class",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Data Structures Review",
diff --git a/client/i18n/locales/ukrainian/intro.json b/client/i18n/locales/ukrainian/intro.json
index 783263a0f43..bcb00fbec05 100644
--- a/client/i18n/locales/ukrainian/intro.json
+++ b/client/i18n/locales/ukrainian/intro.json
@@ -3499,10 +3499,6 @@
           "Ви будете використовувати стани та хуки, щоб керувати властивостями елемента."
         ]
       },
-      "dbta": {
-        "title": "269",
-        "intro": []
-      },
       "lecture-understanding-effects-and-referencing-values-in-react": {
         "title": "Знайомство з ефектами та посиланнями на значення в React",
         "intro": [
@@ -4058,9 +4054,12 @@
         "title": "Створіть клас «Linked List»",
         "intro": [""]
       },
-      "lab-hash-table-class": {
-        "title": "Створіть клас «Hash Table»",
-        "intro": [""]
+      "lab-hash-table": {
+        "title": "Build a Hash Table",
+        "intro": [
+          "A hash table is a data structure that is used to store key-value pairs and is optimized for quick lookups.",
+          "In this lab, you will use your knowledge about data structures to build a hash table."
+        ]
       },
       "review-data-structures": {
         "title": "Повторення структур даних",