diff --git a/README.md b/README.md
index 999de2a..4dd4464 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ types, `input-stream`, and `output-stream`, which support `read` and
 ### Non-goals
 
  - Support for async. That will be addressed in the component-model async
-   design, where we can have the benefit of tigher integration with language
+   design, where we can have the benefit of tighter integration with language
    bindings.
  - Bidirectional streams.
 
diff --git a/imports.md b/imports.md
index dd0c4f2..01969c5 100644
--- a/imports.md
+++ b/imports.md
@@ -320,7 +320,7 @@ and stream is ready for writing again.</p>
 </ul>
 <h4><a name="method_output_stream_subscribe"></a><code>[method]output-stream.subscribe: func</code></h4>
 <p>Create a <a href="#pollable"><code>pollable</code></a> which will resolve once the output-stream
-is ready for more writing, or an error has occured. When this
+is ready for more writing, or an error has occurred. When this
 pollable is ready, <code>check-write</code> will return <code>ok(n)</code> with n&gt;0, or an
 error.</p>
 <p>If the stream is closed, this pollable is always ready immediately.</p>
@@ -383,7 +383,7 @@ let _ = this.check-write();         // eliding error handling
 </ul>
 <h4><a name="method_output_stream_splice"></a><code>[method]output-stream.splice: func</code></h4>
 <p>Read from one stream and write to another.</p>
-<p>The behavior of splice is equivelant to:</p>
+<p>The behavior of splice is equivalent to:</p>
 <ol>
 <li>calling <code>check-write</code> on the <a href="#output_stream"><code>output-stream</code></a></li>
 <li>calling <code>read</code> on the <a href="#input_stream"><code>input-stream</code></a> with the smaller of the
diff --git a/wit/streams.wit b/wit/streams.wit
index a57f204..c938362 100644
--- a/wit/streams.wit
+++ b/wit/streams.wit
@@ -192,7 +192,7 @@ interface streams {
         blocking-flush: func() -> result<_, stream-error>;
 
         /// Create a `pollable` which will resolve once the output-stream
-        /// is ready for more writing, or an error has occured. When this
+        /// is ready for more writing, or an error has occurred. When this
         /// pollable is ready, `check-write` will return `ok(n)` with n>0, or an
         /// error.
         ///
@@ -247,7 +247,7 @@ interface streams {
 
         /// Read from one stream and write to another.
         ///
-        /// The behavior of splice is equivelant to:
+        /// The behavior of splice is equivalent to:
         /// 1. calling `check-write` on the `output-stream`
         /// 2. calling `read` on the `input-stream` with the smaller of the
         /// `check-write` permitted length and the `len` provided to `splice`