diff --git a/src/func.rs b/src/func.rs
index 109354e..10162fa 100644
--- a/src/func.rs
+++ b/src/func.rs
@@ -26,7 +26,7 @@ impl ::std::ops::Deref for FuncRef {
 
 /// Runtime representation of a function.
 ///
-/// Functions are the unit of orgianization of code in WebAssembly. Each function takes a sequence of values
+/// Functions are the unit of organization of code in WebAssembly. Each function takes a sequence of values
 /// as parameters and either optionally return a value or trap.
 /// Functions can call other function including itself (i.e recursive calls are allowed) and imported functions
 /// (i.e functions defined in another module or by the host environment).
diff --git a/src/isa.rs b/src/isa.rs
index e818862..39aaa9e 100644
--- a/src/isa.rs
+++ b/src/isa.rs
@@ -35,7 +35,7 @@
 //! # Locals
 //!
 //! In a plain stack machine local variables and arguments live on the stack. Instead of
-//! accessing predifined locals slots in a plain stack machine locals are addressed relative
+//! accessing predefined locals slots in a plain stack machine locals are addressed relative
 //! to the current stack pointer. Because of this instead of taking an index of a local
 //! in {get,set,tee}_local operations, they take a relative depth as immediate. This works
 //! because at each instruction we always know the current stack height.
@@ -59,7 +59,7 @@
 //! # Differences from Wasm
 //!
 //! - There is no `nop` instruction.
-//! - All control flow strucutres are flattened to plain gotos.
+//! - All control flow structures are flattened to plain gotos.
 //! - Implicit returns via reaching function scope `End` are replaced with an explicit `return` instruction.
 //! - Locals live on the value stack now.
 //! - Load/store instructions doesn't take `align` parameter.
diff --git a/src/module.rs b/src/module.rs
index 47deb32..a61e866 100644
--- a/src/module.rs
+++ b/src/module.rs
@@ -565,7 +565,7 @@ impl ModuleInstance {
 	///
 	/// - there are no export with a given name or this export is not a function,
 	/// - given arguments doesn't match to function signature,
-	/// - trap occured at the execution time,
+	/// - trap occurred at the execution time,
 	///
 	/// # Examples
 	///
@@ -643,7 +643,7 @@ impl ModuleInstance {
 ///
 /// You can still access not fully initialized instance by calling [`not_started_instance`],
 /// but keep in mind, that this is sort of escape hatch: module really might depend on initialization
-/// done in `start` function. It's definetely not recommended to call any exports on [`ModuleRef`]
+/// done in `start` function. It's definitely not recommended to call any exports on [`ModuleRef`]
 /// returned by this function.
 ///
 /// If you sure, that there is no `start` function (e.g. because you created it without one), you can