X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=CONTRIBUTING.md;h=4c296a28e90b4a2f8e19b8e6bfefe5a61040feef;hb=578016b8b55004f34292bc75373ee5be35654f7f;hp=0f6cba7a95e79a7010f432c415090d278b779018;hpb=790604adad9fd02b92c59d1f937edb902a58b036;p=rust.git

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0f6cba7a95e..4c296a28e90 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -360,8 +360,10 @@ git add path/to/submodule
 
 outside the submodule.
 
-It can also be more convenient during development to set `submodules = false`
-in the `config.toml` to prevent `x.py` from resetting to the original branch.
+In order to prepare your PR, you can run the build locally by doing
+`./x.py build src/tools/TOOL`. If you will be editing the sources
+there, you may wish to set `submodules = false` in the `config.toml`
+to prevent `x.py` from resetting to the original branch.
 
 #### Breaking Tools Built With The Compiler
 [breaking-tools-built-with-the-compiler]: #breaking-tools-built-with-the-compiler