diff --git a/defaults/main.yml b/defaults/main.yml
index 1dd01c8..588116d 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -113,22 +113,22 @@ matrix_url_preview_enabled: False
 # anyone in any Matrix room could cause your synapse to issue arbitrary
 # GET requests to your internal services, causing serious security issues.
 # matrix_url_preview_blacklist: # defaults to not set
-#   - "'127.0.0.0/8'"
-#   - "'10.0.0.0/8'"
-#   - "'172.16.0.0/12'"
-#   - "'192.168.0.0/16'"
-#   - "'100.64.0.0/10'"
-#   - "'169.254.0.0/16'"
-#   - "'::1/128'"
-#   - "'fe80::/64'"
-#   - "'fc00::/7'"
+#   - '127.0.0.0/8'
+#   - '10.0.0.0/8'
+#   - '172.16.0.0/12'
+#   - '192.168.0.0/16'
+#   - '100.64.0.0/10'
+#   - '169.254.0.0/16'
+#   - '::1/128'
+#   - 'fe80::/64'
+#   - 'fc00::/7'
 
 # Optional list of URL matches that the URL preview spider is
 # denied from accessing.
 # https://docs.python.org/2/library/urlparse.html#urlparse.urlsplit
 # matrix_url_preview_url_blacklist:
-#   - netloc: "'^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'"
-#   - netloc: "'^([A-f0-9:]+:+)+[A-f0-9]+$'"
+#   - netloc: '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'
+#   - netloc: '^([A-f0-9:]+:+)+[A-f0-9]+$'
 matrix_url_preview_max_spider_size: 10M
 
 matrix_tls_enabled: False