diff --git a/src/building/bootstrapping.md b/src/building/bootstrapping.md
index 700629d5e..2103a33f5 100644
--- a/src/building/bootstrapping.md
+++ b/src/building/bootstrapping.md
@@ -449,7 +449,7 @@ This is an incomplete reference for the outputs generated by bootstrap:
 
 `--stage=2` stops here.
 
-### Clarification of build command's stdout
+## Clarification of build command's stdout
 
 In this part, we will investigate the build command's stdout in an action
 (similar, but more detailed and complete documentation compare to topic above).
@@ -468,17 +468,17 @@ Building stage1 tool rust-analyzer-proc-macro-srv (x86_64-unknown-linux-gnu)
 Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
 ```
 
-#### Building stage0 {std,compiler} artifacts
+### Building stage0 {std,compiler} artifacts
 
 These steps use the provided (downloaded, usually) compiler to compile the
 local Rust source into libraries we can use.
 
-#### Copying stage0 {std,rustc}
+### Copying stage0 {std,rustc}
 
 This copies the library and compiler artifacts from Cargo into
 `stage0-sysroot/lib/rustlib/{target-triple}/lib`
 
-#### Assembling stage1 compiler
+### Assembling stage1 compiler
 
 This copies the libraries we built in "building stage0 ... artifacts" into
 the stage1 compiler's lib directory. These are the host libraries that the