diff --git a/runtime/doc/vimfn.txt b/runtime/doc/vimfn.txt
index e11ba31c42..f5d4d00810 100644
--- a/runtime/doc/vimfn.txt
+++ b/runtime/doc/vimfn.txt
@@ -1509,7 +1509,7 @@ cosh({expr})                                                            *cosh()*
 			echo cosh(0.5)
 <			1.127626 >vim
 			echo cosh(-0.5)
-<			-1.127626
+<			1.127626
 
                 Parameters: ~
                   • {expr} (`number`)
diff --git a/runtime/lua/vim/_meta/vimfn.gen.lua b/runtime/lua/vim/_meta/vimfn.gen.lua
index e194ada41f..825868de58 100644
--- a/runtime/lua/vim/_meta/vimfn.gen.lua
+++ b/runtime/lua/vim/_meta/vimfn.gen.lua
@@ -1317,7 +1317,7 @@ function vim.fn.cos(expr) end
 ---   echo cosh(0.5)
 --- <  1.127626 >vim
 ---   echo cosh(-0.5)
---- <  -1.127626
+--- <  1.127626
 ---
 --- @param expr number
 --- @return number
diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index 70b374b788..85edc67453 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -1693,7 +1693,7 @@ M.funcs = {
       	echo cosh(0.5)
       <	1.127626 >vim
       	echo cosh(-0.5)
-      <	-1.127626
+      <	1.127626
 
     ]=],
     func_float = 'cosh',