diff --git a/css/theme/template/exposer.scss b/css/theme/template/exposer.scss
index 2e9288d3..611c855f 100644
--- a/css/theme/template/exposer.scss
+++ b/css/theme/template/exposer.scss
@@ -1,4 +1,4 @@
-// Exposes theme's variables for easy re-use in CSS for plugin authors
+// Exposes theme's variables for easy reuse in CSS for plugin authors
 
 :root {
   --r-background-color: #{$backgroundColor};
diff --git a/js/controllers/jumptoslide.js b/js/controllers/jumptoslide.js
index 5a632605..0aaa2b1a 100644
--- a/js/controllers/jumptoslide.js
+++ b/js/controllers/jumptoslide.js
@@ -74,7 +74,7 @@ export default class JumpToSlide {
 		let query = this.jumpInput.value.trim( '' );
 		let indices;
 
-		// When slide numbers are formatted to be a single linear mumber
+		// When slide numbers are formatted to be a single linear number
 		// (instead of showing a separate horizontal/vertical index) we
 		// use the same format for slide jumps
 		if( /^\d+$/.test( query ) ) {
diff --git a/js/reveal.js b/js/reveal.js
index adb5a874..f064c78d 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1252,7 +1252,7 @@ export default function( revealElement, options ) {
 
 	/**
 	 * Returns true if we're currently on the last slide in
-	 * the presenation. If the last slide is a stack, we only
+	 * the presentation. If the last slide is a stack, we only
 	 * consider this the last slide if it's at the end of the
 	 * stack.
 	 */
diff --git a/plugin/highlight/plugin.js b/plugin/highlight/plugin.js
index 26a7f93b..df4294a7 100644
--- a/plugin/highlight/plugin.js
+++ b/plugin/highlight/plugin.js
@@ -52,7 +52,7 @@ const Plugin = {
 				block.innerHTML = betterTrim( block );
 			}
 
-			// Escape HTML tags unless the "data-noescape" attrbute is present
+			// Escape HTML tags unless the "data-noescape" attribute is present
 			if( config.escapeHTML && !block.hasAttribute( 'data-noescape' )) {
 				block.innerHTML = block.innerHTML.replace( /</g,"&lt;").replace(/>/g, '&gt;' );
 			}