diff --git a/README.mkd b/README.mkd
index fbee4aa..990a7a6 100644
--- a/README.mkd
+++ b/README.mkd
@@ -273,13 +273,13 @@ endif
 To customise the colours, set up the following highlight groups in your colorscheme or `~/.vimrc`:
 
 ```viml
-GitGutterAdd          " an added line
-GitGutterChange       " a changed line
-GitGutterDelete       " at least one removed line
-GitGutterChangeDelete " a changed line followed by at least one removed line
+GitGutterAdd          " an added line             (default: links to DiffAdd)
+GitGutterChange       " a changed line            (default: links to DiffChange)
+GitGutterDelete       " at least one removed line (default: links to DiffDelete)
+GitGutterChangeDelete " a changed line followed by at least one removed line (default: links to GitGutterChange)
 ```
 
-You can either set these with `highlight GitGutterAdd {key}={arg}...` or link them to existing highlight groups with, say, `highlight link GitGutterAdd DiffAdd`.
+You can either set these with `highlight GitGutterAdd {key}={arg}...` or link them to existing highlight groups with, say, `highlight link GitGutterAdd MyDiffAdd`.
 
 To customise the symbols, add the following to your `~/.vimrc`:
 
@@ -303,6 +303,12 @@ GitGutterDeleteLine       " default: links to DiffDelete
 GitGutterChangeDeleteLine " default: links to GitGutterChangeLineDefault, i.e. DiffChange
 ```
 
+For example, in some colorschemes the `DiffText` highlight group is easier to read than `DiffChange`.  You could use it like this:
+
+```viml
+highlight link GitGutterChangeLine DiffText
+```
+
 
 #### The base of the diff
 
diff --git a/autoload/gitgutter/highlight.vim b/autoload/gitgutter/highlight.vim
index b8bc771..62746f7 100644
--- a/autoload/gitgutter/highlight.vim
+++ b/autoload/gitgutter/highlight.vim
@@ -45,20 +45,15 @@ function! gitgutter#highlight#define_highlights() abort
 
   " Highlights used by the signs.
 
-  execute "highlight GitGutterAddDefault    guifg=#009900 guibg=" . guibg . " ctermfg=2 ctermbg=" . ctermbg
-  execute "highlight GitGutterChangeDefault guifg=#bbbb00 guibg=" . guibg . " ctermfg=3 ctermbg=" . ctermbg
-  execute "highlight GitGutterDeleteDefault guifg=#ff2222 guibg=" . guibg . " ctermfg=1 ctermbg=" . ctermbg
-  highlight default link GitGutterChangeDeleteDefault GitGutterChangeDefault
-
   execute "highlight GitGutterAddInvisible    guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
   execute "highlight GitGutterChangeInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
   execute "highlight GitGutterDeleteInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
   highlight default link GitGutterChangeDeleteInvisible GitGutterChangeInvisible
 
-  highlight default link GitGutterAdd          GitGutterAddDefault
-  highlight default link GitGutterChange       GitGutterChangeDefault
-  highlight default link GitGutterDelete       GitGutterDeleteDefault
-  highlight default link GitGutterChangeDelete GitGutterChangeDeleteDefault
+  highlight default link GitGutterAdd          DiffAdd
+  highlight default link GitGutterChange       DiffChange
+  highlight default link GitGutterDelete       DiffDelete
+  highlight default link GitGutterChangeDelete GitGutterChange
 
   " Highlights used for the whole line.
 
diff --git a/doc/gitgutter.txt b/doc/gitgutter.txt
index 49d6d99..87825da 100644
--- a/doc/gitgutter.txt
+++ b/doc/gitgutter.txt
@@ -438,7 +438,7 @@ colorscheme or |vimrc|:
 You can either set these with `highlight GitGutterAdd {key}={arg}...` or link
 them to existing highlight groups with, say:
 >
-  highlight link GitGutterAdd DiffAdd
+  highlight link GitGutterAdd MyDiffAdd
 <
 
 To change the line highlights, set up the following highlight groups in your
@@ -450,6 +450,11 @@ colorscheme or |vimrc|:
     GitGutterChangeDeleteLine " default: links to GitGutterChangeLineDefault
 <
 
+For example, to use |hl-DiffText| instead of |hl-DiffChange|:
+>
+    highlight link GitGutterChangeLine DiffChange
+<
+
 
 ===============================================================================
 FAQ                                                             *gitgutter-faq*