diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index 86926638..360209fc 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -4572,7 +4572,7 @@ getJasmineRequireObj().interface = function(jasmine, env) {
     },
 
     /**
-     * Install a spy on a property onto an existing object.
+     * Install a spy on a property installed with `Object.defineProperty` onto an existing object.
      * @name spyOnProperty
      * @function
      * @global
diff --git a/src/core/requireInterface.js b/src/core/requireInterface.js
index ad4ed013..aa79d206 100644
--- a/src/core/requireInterface.js
+++ b/src/core/requireInterface.js
@@ -197,7 +197,7 @@ getJasmineRequireObj().interface = function(jasmine, env) {
     },
 
     /**
-     * Install a spy on a property onto an existing object.
+     * Install a spy on a property installed with `Object.defineProperty` onto an existing object.
      * @name spyOnProperty
      * @function
      * @global