diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 2f64ba3..018f10d 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.1.  Last change: 2025 Jan 12
+*options.txt*	For Vim version 9.1.  Last change: 2025 Jan 14
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5582,6 +5582,7 @@
 	command recursion, see |E169|.
 	See also |:function|.
 	Also used for maximum depth of callback functions.
+	Also used for maximum depth of import.  See |:import-cycle|.
 
 						*'maxmapdepth'* *'mmd'* *E223*
 'maxmapdepth' 'mmd'	number	(default 1000)
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 9310df8..05c2126 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -4148,6 +4148,7 @@
 E1042	vim9.txt	/*E1042*
 E1043	vim9.txt	/*E1043*
 E1044	vim9.txt	/*E1044*
+E1045	vim9.txt	/*E1045*
 E1047	vim9.txt	/*E1047*
 E1048	vim9.txt	/*E1048*
 E1049	vim9.txt	/*E1049*
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index a978ea3..05b451c 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt*	For Vim version 9.1.  Last change: 2024 Dec 23
+*vim9.txt*	For Vim version 9.1.  Last change: 2025 Jan 14
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2051,13 +2051,14 @@
 >
 	noremap ,a <ScriptCmd>:call s:that.OtherFunc()<CR>
 <
-							*:import-cycle*
-The `import` commands are executed when encountered.  If script A imports
-script B, and B (directly or indirectly) imports A, this will be skipped over.
-At this point items in A after "import B" will not have been processed and
-defined yet.  Therefore cyclic imports can exist and not result in an error
-directly, but may result in an error for items in A after "import B" not being
-defined.  This does not apply to autoload imports, see the next section.
+							*:import-cycle* *E1045*
+The `import` commands are executed when encountered.  It can be nested up to
+'maxfuncdepth' levels deep.  If script A imports script B, and B (directly or
+indirectly) imports A, this will be skipped over.  At this point items in A
+after "import B" will not have been processed and defined yet.  Therefore
+cyclic imports can exist and not result in an error directly, but may result
+in an error for items in A after "import B" not being defined.  This does not
+apply to autoload imports, see the next section.
 
 
 Importing an autoload script ~