diff --git a/CHANGELOG.md b/CHANGELOG.md
index 917af937..4a1e4628 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,9 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased / Draft
 
+### Changed
+
+- `clip`: Throw an exception if min > max [#472](https://github.com/Open-EO/openeo-processes/issues/472)
+
 ### Fixed
 
 - Clarified for various mathematical functions the defined input and output ranges. Mention that `NaN` is returned outside of the defined input range where possible.
+- `sqrt`: Clarified that NaN is returned for negative numbers.
 
 ## [2.0.0-rc.1] - 2023-05-25
 
diff --git a/and.json b/and.json
index c24ce95b..3b28c8ef 100644
--- a/and.json
+++ b/and.json
@@ -1,7 +1,7 @@
 {
     "id": "and",
     "summary": "Logical AND",
-    "description": "Checks if **both** values are true.\n\nEvaluates parameter `x` before `y` and stops once the outcome is unambiguous. If any argument is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\na \\ b || null  | false | true\n----- || ----- | ----- | -----\nnull  || null  | false | null\nfalse || false | false | false\ntrue  || null  | false | true\n```",
+    "description": "Checks if **both** values are true.\n\nEvaluates parameter `x` before `y` and stops once the outcome is unambiguous. If any argument is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\nx \\ y || null  | false | true\n----- || ----- | ----- | -----\nnull  || null  | false | null\nfalse || false | false | false\ntrue  || null  | false | true\n```",
     "categories": [
         "logic"
     ],
@@ -90,4 +90,4 @@
             "result": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/clip.json b/clip.json
index adbf7eaa..de2a4d1a 100644
--- a/clip.json
+++ b/clip.json
@@ -1,7 +1,7 @@
 {
     "id": "clip",
     "summary": "Clip a value between a minimum and a maximum",
-    "description": "Clips a number between specified minimum and maximum values. A value larger than the maximum value is set to the maximum value, a value lower than the minimum value is set to the minimum value.\n\nThe no-data value `null` is passed through and therefore gets propagated.",
+    "description": "Clips a number between specified minimum and maximum values. A value larger than the maximum value is set to the maximum value, a value lower than the minimum value is set to the minimum value. If the maximum value is smaller than the minimum number, the process throws a `MinMaxSwapped` exception.\n\nThe no-data value `null` is passed through and therefore gets propagated.",
     "categories": [
         "math"
     ],
@@ -40,6 +40,11 @@
             ]
         }
     },
+    "exceptions": {
+        "MinMaxSwapped": {
+            "message": "The minimum value should be lower than or equal to the maximum value."
+        }
+    },
     "examples": [
         {
             "arguments": {
@@ -73,34 +78,5 @@
             },
             "returns": null
         }
-    ],
-    "process_graph": {
-        "min": {
-            "process_id": "min",
-            "arguments": {
-                "data": [
-                    {
-                        "from_parameter": "max"
-                    },
-                    {
-                        "from_parameter": "x"
-                    }
-                ]
-            }
-        },
-        "max": {
-            "process_id": "max",
-            "arguments": {
-                "data": [
-                    {
-                        "from_parameter": "min"
-                    },
-                    {
-                        "from_node": "min"
-                    }
-                ]
-            },
-            "result": true
-        }
-    }
-}
\ No newline at end of file
+    ]
+}
diff --git a/or.json b/or.json
index 5964a341..4a83a63e 100644
--- a/or.json
+++ b/or.json
@@ -1,7 +1,7 @@
 {
     "id": "or",
     "summary": "Logical OR",
-    "description": "Checks if **at least one** of the values is true. Evaluates parameter `x` before `y` and stops once the outcome is unambiguous. If a component is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\na \\ b || null | false | true\n----- || ---- | ----- | ----\nnull  || null | null  | true\nfalse || null | false | true\ntrue  || true | true  | true\n```",
+    "description": "Checks if **at least one** of the values is true. Evaluates parameter `x` before `y` and stops once the outcome is unambiguous. If a component is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\nx \\ y || null | false | true\n----- || ---- | ----- | ----\nnull  || null | null  | true\nfalse || null | false | true\ntrue  || true | true  | true\n```",
     "categories": [
         "logic"
     ],
@@ -90,4 +90,4 @@
             "result": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/sqrt.json b/sqrt.json
index bc1aeb6c..b85caf94 100644
--- a/sqrt.json
+++ b/sqrt.json
@@ -1,7 +1,7 @@
 {
     "id": "sqrt",
     "summary": "Square root",
-    "description": "Computes the square root of a real number `x`, which is equal to calculating `x` to the power of *0.5*.\n\nA square root of x is a number a such that *`a² = x`*. Therefore, the square root is the inverse function of a to the power of 2, but only for *a >= 0*.\n\nThe no-data value `null` is passed through and therefore gets propagated.",
+    "description": "Computes the square root of a real number `x`, which is equal to calculating `x` to the power of *0.5*. For negative `x`, the process returns `NaN`.\n\nA square root of x is a number a such that *`a² = x`*. Therefore, the square root is the inverse function of a to the power of 2, but only for *a >= 0*.\n\nThe no-data value `null` is passed through and therefore gets propagated.",
     "categories": [
         "math",
         "math > exponential & logarithmic"
@@ -58,6 +58,11 @@
             "rel": "about",
             "href": "http://mathworld.wolfram.com/SquareRoot.html",
             "title": "Square root explained by Wolfram MathWorld"
+        },
+        {
+            "rel": "about",
+            "href": "https://ieeexplore.ieee.org/document/8766229",
+            "title": "IEEE Standard 754-2019 for Floating-Point Arithmetic"
         }
     ],
     "process_graph": {
@@ -72,4 +77,4 @@
             "result": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/xor.json b/xor.json
index d8dbde50..6af7ae5e 100644
--- a/xor.json
+++ b/xor.json
@@ -1,7 +1,7 @@
 {
     "id": "xor",
     "summary": "Logical XOR (exclusive or)",
-    "description": "Checks if **exactly one** of the values is true. If a component is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\na \\ b || null | false | true\n----- || ---- | ----- | -----\nnull  || null | null  | null\nfalse || null | false | true\ntrue  || null | true  | false\n```",
+    "description": "Checks if **exactly one** of the values is true. If a component is `null`, the result will be `null` if the outcome is ambiguous.\n\n**Truth table:**\n\n```\nx \\ y || null | false | true\n----- || ---- | ----- | -----\nnull  || null | null  | null\nfalse || null | false | true\ntrue  || null | true  | false\n```",
     "categories": [
         "logic"
     ],
@@ -125,4 +125,4 @@
             "result": true
         }
     }
-}
\ No newline at end of file
+}