diff --git a/doc/emacs/trouble.texi b/doc/emacs/trouble.texi
index 6f6071b..ae309ae 100644
--- a/doc/emacs/trouble.texi
+++ b/doc/emacs/trouble.texi
@@ -1130,7 +1130,7 @@ Sending Patches
 Use @samp{diff -u} to make your diffs.  Diffs without context are hard
 to install reliably.  More than that, they are hard to study; we must
 always study a patch to decide whether we want to install it.  Context
-format is better than contextless diffs, but we prefer we unified format.
+format is better than contextless diffs, but we prefer the unified format.
 
 If you have GNU diff, use @samp{diff -u -F'^[_a-zA-Z0-9$]\+ *('} when
 making diffs of C code.  This shows the name of the function that each