diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index ddf503af82d988..7eb048fcfc28f9 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -124,6 +124,10 @@ Functions
     need to call :func:`invalidate_caches` in order for the new module to be
     noticed by the import system.
 
+    If the module cannot be imported, :func:`import_module` will raise
+    :exc:`ImportError` or an appropriate subclass like
+    :exc:`ModuleNotFoundError`.
+
     .. versionchanged:: 3.3
        Parent packages are automatically imported.