diff --git a/README.md b/README.md
index d9bea19..db5a9e4 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Live markdown editor based on MathJax and Marked
 
 ## How it works?
 
-text → Escape tags → MathJax → Unescape some sutff → Markdown → preview
+text → Escape tags → MathJax → Unescape some stuff → Markdown → preview
 
 ## Demo
 
diff --git a/editor.html b/editor.html
index 2b6a89c..89bfcf6 100644
--- a/editor.html
+++ b/editor.html
@@ -96,7 +96,7 @@
   preview: null,     // filled in by Init below
   buffer: null,      // filled in by Init below
 
-  timeout: null,     // store setTimout id
+  timeout: null,     // store setTimeout id
   mjRunning: false,  // true when MathJax is processing
   oldText: null,     // used to check if an update is needed
 
@@ -193,17 +193,17 @@
     var inside_code = false;
     
     for (var i = 0; i < lines.length; i++) {
-      // a hack to properly rendre the blockquotes
+      // a hack to properly render the blockquotes
       if (lines[i].startsWith('&gt;')) {
         lines[i] = lines[i].replace(/&gt;/g, '>');
       }
 
-      // rendrer properly stuff like this
+      // render properly stuff like this
       // ```c
       //  if (a > b)
       // ```
       if (inside_code) {
-        // inside the code we descape stuff
+        // inside the code we unescape stuff
         lines[i] = lines[i]
           .replace(/&lt;/g, '<')
           .replace(/&gt;/g, '>')