diff --git a/code/Chapter04/ResuableBarChart/index.html b/code/Chapter04/ReusableBarChart/index.html
similarity index 100%
rename from code/Chapter04/ResuableBarChart/index.html
rename to code/Chapter04/ReusableBarChart/index.html
diff --git a/code/Chapter04/ResuableBarChart/script.js b/code/Chapter04/ReusableBarChart/script.js
similarity index 100%
rename from code/Chapter04/ResuableBarChart/script.js
rename to code/Chapter04/ReusableBarChart/script.js
diff --git a/code/Chapter04/ResuableBarChart/snippet.html b/code/Chapter04/ReusableBarChart/snippet.html
similarity index 100%
rename from code/Chapter04/ResuableBarChart/snippet.html
rename to code/Chapter04/ReusableBarChart/snippet.html
diff --git a/code/Chapter04/ResuableWithAxes/index.html b/code/Chapter04/ReusableWithAxes/index.html
similarity index 100%
rename from code/Chapter04/ResuableWithAxes/index.html
rename to code/Chapter04/ReusableWithAxes/index.html
diff --git a/code/Chapter04/ResuableWithAxes/script.js b/code/Chapter04/ReusableWithAxes/script.js
similarity index 100%
rename from code/Chapter04/ResuableWithAxes/script.js
rename to code/Chapter04/ReusableWithAxes/script.js
diff --git a/code/Chapter04/ResuableWithAxes/snippet.html b/code/Chapter04/ReusableWithAxes/snippet.html
similarity index 100%
rename from code/Chapter04/ResuableWithAxes/snippet.html
rename to code/Chapter04/ReusableWithAxes/snippet.html