diff --git a/src/swagger/builder.js b/src/swagger/builder.js
index c90695a..852f0a7 100644
--- a/src/swagger/builder.js
+++ b/src/swagger/builder.js
@@ -153,15 +153,15 @@ const doc = {
                 $status: { "@enum": ["Y", "N"] }
             },
             measurementUnit: {
-                $unit: "e.g. Milligram, Gram, etc.",
+                $unit: "Milligram",
                 $status: { "@enum": ["Y", "N"] }
             },
             referenceRange: {
                 $gender: { "@enum": ["male", "female"] },
                 $age_range_min: "0 day",
-                $age_range_max: "999 years",
-                $value_min: "e.g. 10.5",
-                $value_max: "e.g. 20.0",
+                $age_range_max: "20 years",
+                $value_min: "0",
+                $value_max: "20",
                 $status: { "@enum": ["Y", "N"] }
             },
         },