diff --git a/README.md b/README.md
index 2a7bd73..eee728d 100644
--- a/README.md
+++ b/README.md
@@ -15,11 +15,11 @@ with language-aware syntax highlighting.
   [vscode-diff](https://github.com/esmuellert/codediff.nvim) FFI backend for
   word-level accuracy)
 - `:Gdiff` unified diff against any revision
+- Background-only diff colors for `&diff` buffers
 - Inline merge conflict detection, highlighting, and resolution
-- Email quoting/patch syntax support (`> diff ...`)
-- Vim syntax fallback
-- Configurable highlighiting blend & priorities
-- Context-inclusive, high-accuracy highlights
+- Email-quoted diff highlighting (`> diff ...` prefixes, arbitrary nesting
+  depth)
+- Vim syntax fallback, configurable blend/priorities
 
 ## Requirements
 
diff --git a/doc/diffs.nvim.txt b/doc/diffs.nvim.txt
index 6798173..3bb5a09 100644
--- a/doc/diffs.nvim.txt
+++ b/doc/diffs.nvim.txt
@@ -89,7 +89,7 @@ Configuration is done via `vim.g.diffs`. Set this before the plugin loads:
           max_lines = 500,
         },
         vim = {
-          enabled = true,
+          enabled = false,
           max_lines = 200,
         },
         intra = {
@@ -204,7 +204,7 @@ Configuration is done via `vim.g.diffs`. Set this before the plugin loads:
                              See |diffs.TreesitterConfig| for fields.
 
         {vim}                (table, default: see below)
-                             Vim syntax fallback highlighting options.
+                             Vim syntax highlighting options (experimental).
                              See |diffs.VimConfig| for fields.
 
         {intra}              (table, default: see below)
@@ -269,15 +269,13 @@ Configuration is done via `vim.g.diffs`. Set this before the plugin loads:
 
                                                           *diffs.VimConfig*
     Vim config fields: ~
-        {enabled}            (boolean, default: true)
+        {enabled}            (boolean, default: false)
                              Use vim syntax highlighting as fallback when no
                              treesitter parser is available for a language.
                              Creates a scratch buffer, sets the filetype, and
                              queries |synID()| per character to extract
-                             highlight groups. Deferred via |vim.schedule()|
-                             so it never blocks the first paint. Slower than
-                             treesitter but covers languages without a TS
-                             parser installed (e.g., COBOL, Fortran).
+                             highlight groups. Slower than treesitter but
+                             covers languages without a TS parser installed.
 
         {max_lines}          (integer, default: 200)
                              Skip vim syntax highlighting for hunks larger than
diff --git a/lua/diffs/init.lua b/lua/diffs/init.lua
index 0bfc373..d1cc7d2 100644
--- a/lua/diffs/init.lua
+++ b/lua/diffs/init.lua
@@ -124,7 +124,7 @@ local default_config = {
       max_lines = 500,
     },
     vim = {
-      enabled = true,
+      enabled = false,
       max_lines = 200,
     },
     intra = {