diff --git a/Data/Datafunctions/data_availability.py b/Data/Datafunctions/data_availability.py
index f5fab6450..bfd629a92 100644
--- a/Data/Datafunctions/data_availability.py
+++ b/Data/Datafunctions/data_availability.py
@@ -357,7 +357,7 @@ def Additional(c):
             type,status,access,product_type,specific_product,spatial,temporal,product_link,catalogue,footnotes,provider,satellite,resolution,opensearch,odata,Origin = DataFetch(c,i)
             t.append([specific_product, spatial, temporal,catalogue])
             note += footnotes
-            headers = ["Specific Products", "Spatial Extext","Temporal Extent","Catalogue"]
+            headers = ["Specific Products", "Spatial Extent","Temporal Extent","Catalogue"]
 
         # Find and remove empty columns
         t,headers=removeempty(t,headers)
@@ -385,7 +385,7 @@ def CAMSOffer(c):
             type,status,access,product_type,specific_product,spatial,temporal,product_link,catalogue,footnotes,provider,satellite,resolution,opensearch,odata,Origin = DataFetch(c,i)
             t.append([product_type, specific_product, spatial, temporal, catalogue,product_link])
             note += footnotes
-            headers = ["Product Type", "Specific Products", "Spatial Extext","Temporal Extent","Catalogue","Product Detail"]
+            headers = ["Product Type", "Specific Products", "Spatial Extent","Temporal Extent","Catalogue","Product Detail"]
 
         # Find and remove empty columns
         t,headers=removeempty(t,headers)
diff --git a/Data/collections.json b/Data/collections.json
index 1bd0c0069..3347c8d67 100644
--- a/Data/collections.json
+++ b/Data/collections.json
@@ -7453,6 +7453,52 @@
                 ]
             }
         },
+        {
+            "id":"SENTINEL3_SRAL_L2_AMPLI",
+            "title":"Sentinel-3 SRAL Level 2 AMPLI (SR_2_TDP_LI)",
+            "description":"Ice sheet elevation estimates along the Sentinel-3 satellite track, retrieved using the Altimeter data Modelling and Processing for Land Ice (AMPLI). These products cover both Antarctica and Greenland.",
+            "constellation": "AdditionalComplementaryData",
+			"sci:citation": "Copernicus Sentinel data 2023",
+			"links": [
+                {
+                    "href": "https://sentiwiki.copernicus.eu/web/sentinel-3",
+                    "title": "User guide",
+                    "rel": "about"
+                }
+            ],
+            "summaries": {
+                "DataAvailability":
+                [
+                    {
+                        "Spatial": "Antarctica and Greenland",
+                        "Temporal":"Jan 2016 - Oct 2024"
+                    }
+                ]
+            }
+        },
+        {
+            "id":"SENTINEL3_SRAL_L2_TDP_HY",
+            "title":"Sentinel-3 SRAL Level 2 L2 Lake Processing Prototype (SR_2_TDP_HY)",
+            "description":"Sentinel-3 Hydrology Thematic Demonstration Products developed to showcase a new retracking simulation approach and a higher posting rate (80 Hz) over a wide selection of lakes and reservoirs worldwide.",
+            "constellation": "AdditionalComplementaryData",
+			"sci:citation": "Copernicus Sentinel data 2023",
+			"links": [
+                {
+                    "href": "https://sentiwiki.copernicus.eu/web/sentinel-3",
+                    "title": "User guide",
+                    "rel": "about"
+                }
+            ],
+            "summaries": {
+                "DataAvailability":
+                [
+                    {
+                        "Spatial": "1219 lakes and reservoirs worldwide",
+                        "Temporal":"Jan 2016 - Sep 2024"
+                    }
+                ]
+            }
+        },
         {
             "id":"COP_DEM",
             "title":"Copernicus Digital Elevation Model (COP DEM) Global",