diff --git a/pywr-schema/src/parameters/core.rs b/pywr-schema/src/parameters/core.rs
index e65c4ff8..e6aac1ce 100644
--- a/pywr-schema/src/parameters/core.rs
+++ b/pywr-schema/src/parameters/core.rs
@@ -260,17 +260,7 @@ impl TryFromV1Parameter<MaxParameterV1> for MaxParameter {
 /// # Examples
 ///
 /// ```json
-/// {
-///     "type": "Division",
-///     "numerator": {
-///         "type": "MonthlyProfile",
-///         "values": [1, 4, 5, 9, 1, 5, 10, 8, 11, 9, 11 ,12]
-///     },
-///     "denominator": {
-///         "type": "Constant",
-///         "value": 0.3
-///     }
-/// }
+#[doc = include_str!("doc_examples/division.json")]
 /// ```
 #[derive(serde::Deserialize, serde::Serialize, Debug, Clone)]
 pub struct DivisionParameter {
@@ -330,14 +320,7 @@ impl TryFromV1Parameter<DivisionParameterV1> for DivisionParameter {
 /// # Examples
 ///
 /// ```json
-/// {
-///     "type": "Min",
-///     "parameter": {
-///         "type": "MonthlyProfile",
-///         "values": [1, 4, 5, 9, 1, 5, 10, 8, 11, 9, 11 ,12]
-///     },
-///     "threshold": 2
-/// }
+#[doc = include_str!("doc_examples/min.json")]
 /// ```
 #[derive(serde::Deserialize, serde::Serialize, Debug, Clone)]
 pub struct MinParameter {
@@ -442,14 +425,7 @@ impl TryFromV1Parameter<NegativeParameterV1> for NegativeParameter {
 /// # Examples
 ///
 /// ```json
-/// {
-///     "type": "NegativeMax",
-///     "metric": {
-///         "type": "MonthlyProfile",
-///         "values": [-1, -4, 5, 9, 1, 5, 10, 8, 11, 9, 11 ,12]
-///     },
-///     "threshold": 2
-/// }
+#[doc = include_str!("doc_examples/negative_max.json")]
 /// ```
 /// In January this parameter returns 2, in February 4.
 ///
@@ -508,14 +484,7 @@ impl TryFromV1Parameter<NegativeMaxParameterV1> for NegativeMaxParameter {
 /// # Examples
 ///
 /// ```json
-/// {
-///     "type": "NegativeMin",
-///     "metric": {
-///         "type": "MonthlyProfile",
-///         "values": [-1, -4, 5, 9, 1, 5, 10, 8, 11, 9, 11 ,12]
-///     },
-///     "threshold": 2
-/// }
+#[doc = include_str!("doc_examples/negative_min.json")]
 /// ```
 /// In January this parameter returns 1, in February 2.
 ///
diff --git a/pywr-schema/src/parameters/doc_examples/division.json b/pywr-schema/src/parameters/doc_examples/division.json
new file mode 100644
index 00000000..7d6acc12
--- /dev/null
+++ b/pywr-schema/src/parameters/doc_examples/division.json
@@ -0,0 +1,29 @@
+{
+  "name": "my-division",
+  "type": "Division",
+  "numerator": {
+    "type": "InlineParameter",
+    "definition": {
+      "name": "my-monthly-profile",
+      "type": "MonthlyProfile",
+      "values": [
+        1,
+        4,
+        5,
+        9,
+        1,
+        5,
+        10,
+        8,
+        11,
+        9,
+        11,
+        12
+      ]
+    }
+  },
+  "denominator": {
+    "type": "Constant",
+    "value": 0.3
+  }
+}
diff --git a/pywr-schema/src/parameters/doc_examples/min.json b/pywr-schema/src/parameters/doc_examples/min.json
new file mode 100644
index 00000000..7c439f50
--- /dev/null
+++ b/pywr-schema/src/parameters/doc_examples/min.json
@@ -0,0 +1,26 @@
+{
+  "name": "my-min",
+  "type": "Min",
+  "parameter": {
+    "type": "InlineParameter",
+    "definition": {
+      "name": "my-monthly-profile",
+      "type": "MonthlyProfile",
+      "values": [
+        1,
+        4,
+        5,
+        9,
+        1,
+        5,
+        10,
+        8,
+        11,
+        9,
+        11,
+        12
+      ]
+    }
+  },
+  "threshold": 2
+}
diff --git a/pywr-schema/src/parameters/doc_examples/negative_max.json b/pywr-schema/src/parameters/doc_examples/negative_max.json
new file mode 100644
index 00000000..3d81a1fd
--- /dev/null
+++ b/pywr-schema/src/parameters/doc_examples/negative_max.json
@@ -0,0 +1,26 @@
+{
+  "name": "my-negative-max",
+  "type": "NegativeMax",
+  "metric": {
+    "type": "InlineParameter",
+    "definition": {
+      "name": "my-monthly-profile",
+      "type": "MonthlyProfile",
+      "values": [
+        -1,
+        -4,
+        5,
+        9,
+        1,
+        5,
+        10,
+        8,
+        11,
+        9,
+        11,
+        12
+      ]
+    }
+  },
+  "threshold": 2
+}
diff --git a/pywr-schema/src/parameters/doc_examples/negative_min.json b/pywr-schema/src/parameters/doc_examples/negative_min.json
new file mode 100644
index 00000000..22c61bb1
--- /dev/null
+++ b/pywr-schema/src/parameters/doc_examples/negative_min.json
@@ -0,0 +1,26 @@
+{
+  "name": "my-negative-min",
+  "type": "NegativeMin",
+  "metric": {
+    "type": "InlineParameter",
+    "definition": {
+      "name": "my-monthly-profile",
+      "type": "MonthlyProfile",
+      "values": [
+        -1,
+        -4,
+        5,
+        9,
+        1,
+        5,
+        10,
+        8,
+        11,
+        9,
+        11,
+        12
+      ]
+    }
+  },
+  "threshold": 2
+}
diff --git a/pywr-schema/src/parameters/mod.rs b/pywr-schema/src/parameters/mod.rs
index ff1d9e27..65b59fdd 100644
--- a/pywr-schema/src/parameters/mod.rs
+++ b/pywr-schema/src/parameters/mod.rs
@@ -744,7 +744,7 @@ mod tests {
     use std::fs;
     use std::path::PathBuf;
 
-    /// Test all of the documentation examples successfully deserialize.
+    /// Test all the documentation examples successfully deserialize.
     #[test]
     fn test_doc_examples() {
         let mut doc_examples = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
@@ -753,8 +753,9 @@ mod tests {
         for entry in fs::read_dir(doc_examples).unwrap() {
             let p = entry.unwrap().path();
             if p.is_file() {
-                let data = fs::read_to_string(p).unwrap();
-                let _: Parameter = serde_json::from_str(&data).unwrap();
+                let data = fs::read_to_string(&p).unwrap_or_else(|_| panic!("Failed to read file: {:?}", p));
+                let _: Parameter =
+                    serde_json::from_str(&data).unwrap_or_else(|_| panic!("Failed to deserialize: {:?}", p));
             }
         }
     }