Documentation fix (#59)

* Update docs after #54

* Fix typo.

imports.md

@@ -231,7 +231,7 @@ following pseudo-code:</p>
 <pre><code class="language-text">let pollable = this.subscribe();
 while !contents.is_empty() {
   // Wait for the stream to become writable
-  poll-one(pollable);
+  pollable.block();
   let Ok(n) = this.check-write(); // eliding error handling
   let len = min(n, contents.len());
   let (chunk, rest) = contents.split_at(len);
@@ -240,7 +240,7 @@ while !contents.is_empty() {
 }
 this.flush();
 // Wait for completion of `flush`
-poll-one(pollable);
+pollable.block();
 // Check for any errors that arose during `flush`
 let _ = this.check-write();         // eliding error handling
 </code></pre>
@@ -300,7 +300,7 @@ all derived <a href="#pollable"><code>pollable</code></a>s created with this fun
 </ul>
 <h4><a name="method_output_stream.write_zeroes"><code>[method]output-stream.write-zeroes: func</code></a></h4>
 <p>Write zeroes to a stream.</p>
-<p>this should be used precisely like <code>write</code> with the exact same
+<p>This should be used precisely like <code>write</code> with the exact same
 preconditions (must use check-write first), but instead of
 passing a list of bytes, you simply pass the number of zero-bytes
 that should be written.</p>
@@ -323,15 +323,15 @@ the following pseudo-code:</p>
 <pre><code class="language-text">let pollable = this.subscribe();
 while num_zeroes != 0 {
   // Wait for the stream to become writable
-  poll-one(pollable);
+  pollable.block();
   let Ok(n) = this.check-write(); // eliding error handling
   let len = min(n, num_zeroes);
   this.write-zeroes(len);         // eliding error handling
   num_zeroes -= len;
 }
 this.flush();
 // Wait for completion of `flush`
-poll-one(pollable);
+pollable.block();
 // Check for any errors that arose during `flush`
 let _ = this.check-write();         // eliding error handling
 </code></pre>

wit/poll.wit

@@ -3,7 +3,7 @@ package wasi:io@0.2.0-rc-2023-11-10;
 /// A poll API intended to let users wait for I/O events on multiple handles
 /// at once.
 interface poll {
-    /// `pollable` epresents a single I/O event which may be ready, or not.
+    /// `pollable` represents a single I/O event which may be ready, or not.
     resource pollable {
 
       /// Return the readiness of a pollable. This function never blocks.

wit/streams.wit

@@ -131,7 +131,7 @@ interface streams {
         /// let pollable = this.subscribe();
         /// while !contents.is_empty() {
         ///     // Wait for the stream to become writable
-        ///     poll-one(pollable);
+        ///     pollable.block();
         ///     let Ok(n) = this.check-write(); // eliding error handling
         ///     let len = min(n, contents.len());
         ///     let (chunk, rest) = contents.split_at(len);
@@ -140,7 +140,7 @@ interface streams {
         /// }
         /// this.flush();
         /// // Wait for completion of `flush`
-        /// poll-one(pollable);
+        /// pollable.block();
         /// // Check for any errors that arose during `flush`
         /// let _ = this.check-write();         // eliding error handling
         /// ```
@@ -178,7 +178,7 @@ interface streams {
 
         /// Write zeroes to a stream.
         ///
-        /// this should be used precisely like `write` with the exact same
+        /// This should be used precisely like `write` with the exact same
         /// preconditions (must use check-write first), but instead of
         /// passing a list of bytes, you simply pass the number of zero-bytes
         /// that should be written.
@@ -199,15 +199,15 @@ interface streams {
         /// let pollable = this.subscribe();
         /// while num_zeroes != 0 {
         ///     // Wait for the stream to become writable
-        ///     poll-one(pollable);
+        ///     pollable.block();
         ///     let Ok(n) = this.check-write(); // eliding error handling
         ///     let len = min(n, num_zeroes);
         ///     this.write-zeroes(len);         // eliding error handling
         ///     num_zeroes -= len;
         /// }
         /// this.flush();
         /// // Wait for completion of `flush`
-        /// poll-one(pollable);
+        /// pollable.block();
         /// // Check for any errors that arose during `flush`
         /// let _ = this.check-write();         // eliding error handling
         /// ```