diff --git a/mdlstyle.rb b/mdlstyle.rb
index ab3dc59..6504269 100644
--- a/mdlstyle.rb
+++ b/mdlstyle.rb
@@ -1,7 +1,3 @@
-# markdownlint(mdl) style rules
-# Rule descriptions:
-#  https://github.com/markdownlint/markdownlint/blob/master/docs/RULES.md
-
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,6 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# markdownlint(mdl) style rules
+# Rule descriptions:
+#  https://github.com/markdownlint/markdownlint/blob/master/docs/RULES.md
+# Help on writing this rules:
+#. https://github.com/markdownlint/markdownlint/blob/master/docs/creating_styles.md
+
 # use all rules
 all
 
@@ -23,7 +25,7 @@
 rule 'MD007', :indent => 4
 
 # Don't enforce line length limitations within code blocks and tables
-rule 'MD013', :code_blocks => false, :tables => false
+rule 'MD013', :code_blocks => false, :tables => false, line_length: false
 
 # Numbered lists should have the correct order
 rule 'MD029', :style => "ordered"
@@ -31,3 +33,14 @@
 # Allow  ! and ? as trailing punctuation in headers
 rule 'MD026', :punctuation => '.,;:'
 
+# Exclude rule: Trailing spaces
+exclude_rule 'MD009'
+
+# Exclude rule: Fenced code blocks should be surrounded by blank lines
+exclude_rule 'MD031'
+
+# Exclude rule: Multiple spaces after blockquote symbol
+exclude_rule 'MD027'
+
+# Exclude rule: Header levels should only increment by one level at a time
+exclude_rule 'MD001'
\ No newline at end of file