diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 28b9649a163..69e0f66dee4 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1775,6 +1775,8 @@ are always available.  They are listed here in alphabetical order.
    goals and does not cause issues with code which assumes the default import
    implementation is in use.  Direct use of :func:`__import__` is also
    discouraged in favor of :func:`importlib.import_module`.
+   Usually function returns :class:`types.ModuleType` object, but no guarantees
+   for that. If nothing found :exc:`ModuleNotFoundError` will be raised.
 
    The function imports the module *name*, potentially using the given *globals*
    and *locals* to determine how to interpret the name in a package context.
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index cfde3a47f75..8f7beb36c57 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -90,9 +90,9 @@ Functions
 
 .. function:: import_module(name, package=None)
 
-    Import a module. The *name* argument specifies what module to
-    import in absolute or relative terms
-    (e.g. either ``pkg.mod`` or ``..mod``). If the name is
+    Import a module, for return value information see :func:`__import__`.
+    The *name* argument specifies what module to import in absolute or
+    relative terms (e.g. either ``pkg.mod`` or ``..mod``). If the name is
     specified in relative terms, then the *package* argument must be set to
     the name of the package which is to act as the anchor for resolving the
     package name (e.g. ``import_module('..mod', 'pkg.subpkg')`` will import