Fix Cache-Tag header name
@@ -127,7 +127,7 @@ class ServeDocsMixin:
# Needed to strip any GET args, etc.
response['X-RTD-Path'] = urlparse(path).path
# Include the project & project-version so we can do larger purges if needed
- response['Cache-Tags'] = f'{final_project.slug}-{version_slug},{final_project.slug}'
+ response['Cache-Tag'] = f'{final_project.slug}-{version_slug},{final_project.slug}'
if hasattr(request, 'rtdheader'):
response['X-RTD-Version-Method'] = 'rtdheader'
if hasattr(request, 'subdomain'):
