diff --git a/docs/tutorial.rst b/docs/tutorial.rst
index 3111f6f..6683b65 100644
--- a/docs/tutorial.rst
+++ b/docs/tutorial.rst
@@ -192,7 +192,9 @@ Binding Flags
 ~~~~~~~~~~~~~
 
 Modify the behavior of bindings with flags. Flags are written after the
-binding.
+binding. The default behavior is that the *Target*'s value will be
+changed to the *Source*'s value when the binding is created and when the
+*Source* value changes.
 
 .. code-block::
     Box my_box {
@@ -204,9 +206,10 @@ binding.
     }
 
 no-sync-create
-    .. TODO: I'm not exactly sure what this does
-    Only update the target value when the *Source* value changes, not when
-    the binding is first created.
+    Prevent setting the *Tartget* with the *Source*'s value,
+    updating the target value when the *Source* value changes, not when
+    the binding is first created. Useful when the *Target* property has
+    another initial value that is not the *Source* value.
 
 bidirectional
     When either the *Source* or *Target* value is modified, the other's