diff --git a/source/code-snippets/_homepage-operators-css.md b/source/code-snippets/_homepage-operators-css.md
index b7a53f4..cadb24b 100644
--- a/source/code-snippets/_homepage-operators-css.md
+++ b/source/code-snippets/_homepage-operators-css.md
@@ -8,7 +8,7 @@ article[role="main"] {
   width: 62.5%;
 }
 
-aside[role="complimentary"] {
+aside[role="complementary"] {
   float: right;
   width: 31.25%;
 }
diff --git a/source/code-snippets/_homepage-operators-sass.md b/source/code-snippets/_homepage-operators-sass.md
index 9ed00b2..dcfe6ea 100644
--- a/source/code-snippets/_homepage-operators-sass.md
+++ b/source/code-snippets/_homepage-operators-sass.md
@@ -7,7 +7,7 @@ article[role="main"]
   width: 600px / 960px * 100%
 
 
-aside[role="complimentary"]
+aside[role="complementary"]
   float: right
   width: 300px / 960px * 100%
 
diff --git a/source/code-snippets/_homepage-operators-scss.md b/source/code-snippets/_homepage-operators-scss.md
index ad5178f..57584ad 100644
--- a/source/code-snippets/_homepage-operators-scss.md
+++ b/source/code-snippets/_homepage-operators-scss.md
@@ -7,7 +7,7 @@ article[role="main"] {
   width: 600px / 960px * 100%;
 }
 
-aside[role="complimentary"] {
+aside[role="complementary"] {
   float: right;
   width: 300px / 960px * 100%;
 }