diff --git a/examples/init.rs b/examples/init.rs
index c807a3c10b..d37903ea50 100644
--- a/examples/init.rs
+++ b/examples/init.rs
@@ -29,7 +29,7 @@ mod app {
         let _x: &'static mut u32 = cx.local.x;
 
         // Access to the critical section token,
-        // to indicate that this is a critical seciton
+        // to indicate that this is a critical section
         let _cs_token: bare_metal::CriticalSection = cx.cs;
 
         hprintln!("init").unwrap();
diff --git a/macros/src/codegen/module.rs b/macros/src/codegen/module.rs
index a64abd8a74..c6f7690fc3 100644
--- a/macros/src/codegen/module.rs
+++ b/macros/src/codegen/module.rs
@@ -140,7 +140,7 @@ pub fn codegen(ctxt: Context, app: &App, analysis: &Analysis) -> TokenStream2 {
         let interrupt = &analysis
             .interrupts
             .get(&priority)
-            .expect("RTIC-ICE: interrupt identifer not found")
+            .expect("RTIC-ICE: interrupt identifier not found")
             .0;
 
         let internal_spawn_ident = util::internal_task_ident(name, "spawn");
diff --git a/xtask/src/command.rs b/xtask/src/command.rs
index 889540c529..418f440cb0 100644
--- a/xtask/src/command.rs
+++ b/xtask/src/command.rs
@@ -136,7 +136,7 @@ pub fn run_command(command: &CargoCommand) -> anyhow::Result<RunResult> {
     })
 }
 
-/// Check if `run` was sucessful.
+/// Check if `run` was successful.
 /// returns Ok in case the run went as expected,
 /// Err otherwise
 pub fn run_successful(run: &RunResult, expected_output_file: String) -> Result<(), TestRunError> {