diff --git a/400.html b/http_error/400.html
similarity index 100%
rename from 400.html
rename to http_error/400.html
diff --git a/401.html b/http_error/401.html
similarity index 100%
rename from 401.html
rename to http_error/401.html
diff --git a/403.html b/http_error/403.html
similarity index 100%
rename from 403.html
rename to http_error/403.html
diff --git a/404.html b/http_error/404.html
similarity index 100%
rename from 404.html
rename to http_error/404.html
diff --git a/500.html b/http_error/500.html
similarity index 100%
rename from 500.html
rename to http_error/500.html
diff --git a/501.html b/http_error/501.html
similarity index 100%
rename from 501.html
rename to http_error/501.html
diff --git a/502.html b/http_error/502.html
similarity index 100%
rename from 502.html
rename to http_error/502.html
diff --git a/503.html b/http_error/503.html
similarity index 100%
rename from 503.html
rename to http_error/503.html
diff --git a/504.html b/http_error/504.html
similarity index 100%
rename from 504.html
rename to http_error/504.html