diff --git a/BizHawk.Emulation.Common/Interfaces/IEmulator.cs b/BizHawk.Emulation.Common/Interfaces/IEmulator.cs
index 42921cc87f..92b112d2b6 100644
--- a/BizHawk.Emulation.Common/Interfaces/IEmulator.cs
+++ b/BizHawk.Emulation.Common/Interfaces/IEmulator.cs
@@ -159,16 +159,18 @@ namespace BizHawk.Emulation.Common
 		// (if those are null, default settings are to be used)
 
 		/// <summary>
-		/// get the current core settings, excepting movie settings.  should be a clone of the active in-core object, and changes to the return
-		/// should not affect emulation (unless the object is later passed to PutSettings)
+		/// get the current core settings, excepting movie settings.  should be a clone of the active in-core object.
+		/// VERY IMPORTANT: changes to the object returned by this function SHOULD NOT have any effect on emulation
+		/// (unless the object is later passed to PutSettings)
 		/// </summary>
 		/// <returns>a json-serializable object</returns>
 		object GetSettings();
 
 		/// <summary>
 		/// get the current core settings that affect movie sync.  these go in movie 2.0 files, so don't make the JSON too extravagant, please
-		/// should be a clone of the active in-core object, and changes to the return
-		/// should not affect emulation (unless the object is later passed to PutSyncSettings)
+		/// should be a clone of the active in-core object.
+		/// VERY IMPORTANT: changes to the object returned by this function MUST NOT have any effect on emulation
+		/// (unless the object is later passed to PutSyncSettings)
 		/// </summary>
 		/// <returns>a json-serializable object</returns>
 		object GetSyncSettings();
@@ -177,14 +179,15 @@ namespace BizHawk.Emulation.Common
 		/// change the core settings, excepting movie settings
 		/// </summary>
 		/// <param name="o">an object of the same type as the return for GetSettings</param>
-		/// <returns>true if a core reboot will be required to implement these</returns>
+		/// <returns>true if a core reboot will be required to make the changes effective</returns>
 		bool PutSettings(object o);
 
 		/// <summary>
 		/// changes the movie-sync relevant settings.  THIS SHOULD NEVER BE CALLED WHILE RECORDING
+		/// if it is called while recording, the core need not guarantee continued determinism
 		/// </summary>
 		/// <param name="o">an object of the same type as the return for GetSyncSettings</param>
-		/// <returns>true if a core reboot will be required to implement these</returns>
+		/// <returns>true if a core reboot will be required to make the changes effective</returns>
 		bool PutSyncSettings(object o);
 	}