[gnome-terminal] docs: Add hint about disabling search provider

[Christian Persch <chpe src gnome org>]

commit 62a166a51af20cd09b5deae6c5af9e1642de2b7b
Author: Christian Persch <chpe src gnome org>
Date:   Mon May 24 12:03:23 2021 +0200

    docs: Add hint about disabling search provider

 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index 080988ed..eb4107a2 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,11 @@ $ # Run the configure script (choose an appropriate path instead of "/some/where
 $ # Don't forget to make sure that pkg-config can find your self-build vte!
 $ # e.g. by doing:
 $ # export PKG_CONFIG_PATH=/some/where/lib64/pkg-config:$PKG_CONFIG_PATH
-$ meson _build --prefix=/some/where
+$ #
+$ # If you compiled gnome-shell into the same prefix, you can omit disabling
+$ # the search provider.
+$ #
+$ meson _build --prefix=/some/where -Dsearch_provider=false
 $
 $ # Build
 $ ninja -C _build