diff --git a/blog/content/second-edition/posts/05-integration-tests/index.md b/blog/content/second-edition/posts/05-integration-tests/index.md
index ebeb705f..6e4391c7 100644
--- a/blog/content/second-edition/posts/05-integration-tests/index.md
+++ b/blog/content/second-edition/posts/05-integration-tests/index.md
@@ -413,7 +413,7 @@ extern crate blog_os;
 use core::panic::PanicInfo;
 
 /// This function is the entry point, since the linker looks for a function
-/// named `_start_` by default.
+/// named `_start` by default.
 #[cfg(not(test))]
 #[no_mangle] // don't mangle the name of this function
 pub extern "C" fn _start() -> ! {
@@ -477,7 +477,7 @@ use core::panic::PanicInfo;
 use blog_os::exit_qemu;
 
 /// This function is the entry point, since the linker looks for a function
-/// named `_start_` by default.
+/// named `_start` by default.
 #[cfg(not(test))]
 #[no_mangle] // don't mangle the name of this function
 pub extern "C" fn _start() -> ! {
diff --git a/src/bin/test-basic-boot.rs b/src/bin/test-basic-boot.rs
index c272f282..36d3edb1 100644
--- a/src/bin/test-basic-boot.rs
+++ b/src/bin/test-basic-boot.rs
@@ -12,7 +12,7 @@ use blog_os::exit_qemu;
 use core::panic::PanicInfo;
 
 /// This function is the entry point, since the linker looks for a function
-/// named `_start_` by default.
+/// named `_start` by default.
 #[cfg(not(test))]
 #[no_mangle] // don't mangle the name of this function
 pub extern "C" fn _start() -> ! {
diff --git a/src/main.rs b/src/main.rs
index 38143378..4c198bcd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,7 @@ extern crate blog_os;
 use core::panic::PanicInfo;
 
 /// This function is the entry point, since the linker looks for a function
-/// named `_start_` by default.
+/// named `_start` by default.
 #[cfg(not(test))]
 #[no_mangle] // don't mangle the name of this function
 pub extern "C" fn _start() -> ! {