diff --git a/Makefile b/Makefile
index 8f9ab9e..9635e53 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,6 @@
 # Shaarli, the personal, minimalist, super-fast, no-database delicious clone.
-#
 # Makefile for PHP code analysis & testing
-#
+
 # Prerequisites:
 # - install Composer, either:
 #   - from your distro's package manager;
@@ -9,6 +8,7 @@
 # - install/update test dependencies:
 #   $ composer install  # 1st setup
 #   $ composer update
+
 BIN = vendor/bin
 PHP_SOURCE = index.php
 MESS_DETECTOR_RULES = cleancode,codesize,controversial,design,naming,unusedcode
@@ -17,41 +17,39 @@ all: static_analysis_summary
 
 ##
 # Concise status of the project
-#
 # These targets are non-blocking: || exit 0
 ##
+
 static_analysis_summary: code_sniffer_source copy_paste mess_detector_summary
 
 ##
 # PHP_CodeSniffer
-#
 # Detects PHP syntax errors
-#
 # Documentation (usage, output formatting):
 # - http://pear.php.net/manual/en/package.php.php-codesniffer.usage.php
 # - http://pear.php.net/manual/en/package.php.php-codesniffer.reporting.php
 ##
+
 code_sniffer: code_sniffer_full
 
-# - errors by Git author
+### - errors by Git author
 code_sniffer_blame:
 	@$(BIN)/phpcs $(PHP_SOURCE) --report-gitblame
 
-# - all errors/warnings
+### - all errors/warnings
 code_sniffer_full:
 	@$(BIN)/phpcs $(PHP_SOURCE) --report-full --report-width=200
 
-# - errors grouped by kind
+### - errors grouped by kind
 code_sniffer_source:
 	@$(BIN)/phpcs $(PHP_SOURCE) --report-source || exit 0
 
 ##
 # PHP Copy/Paste Detector
-#
 # Detects code redundancy
-#
 # Documentation: https://github.com/sebastianbergmann/phpcpd
 ##
+
 copy_paste:
 	@echo "-----------------------"
 	@echo "PHP COPY/PASTE DETECTOR"
@@ -61,32 +59,30 @@ copy_paste:
 
 ##
 # PHP Mess Detector
-#
 # Detects PHP syntax errors, sorted by category
-#
 # Rules documentation: http://phpmd.org/rules/index.html
-#
+##
+
 mess_title:
 	@echo "-----------------"
 	@echo "PHP MESS DETECTOR"
 	@echo "-----------------"
 
-# - all warnings
+###  - all warnings
 mess_detector: mess_title
 	@$(BIN)/phpmd $(PHP_SOURCE) text $(MESS_DETECTOR_RULES) | sed 's_.*\/__'
 
-# - all warnings
-#   the generated HTML contains links to PHPMD's documentation
+### - all warnings + HTML output contains links to PHPMD's documentation
 mess_detector_html:
 	@$(BIN)/phpmd $(PHP_SOURCE) html $(MESS_DETECTOR_RULES) \
 	--reportfile phpmd.html || exit 0
 
-# - warnings grouped by message, sorted by descending frequency order
+### - warnings grouped by message, sorted by descending frequency order
 mess_detector_grouped: mess_title
 	@$(BIN)/phpmd $(PHP_SOURCE) text $(MESS_DETECTOR_RULES) \
 	| cut -f 2 | sort | uniq -c | sort -nr
 
-# - summary: number of warnings by rule set
+### - summary: number of warnings by rule set
 mess_detector_summary: mess_title
 	@for rule in $$(echo $(MESS_DETECTOR_RULES) | tr ',' ' '); do \
 		warnings=$$($(BIN)/phpmd $(PHP_SOURCE) text $$rule | wc -l); \
@@ -95,12 +91,13 @@ mess_detector_summary: mess_title
 
 ##
 # Targets for repository and documentation maintenance
-#
-# remove all unversioned files
+##
+
+### remove all unversioned files
 clean:
 		@git clean -df
 
-# update the local copy of the documentation
+### update the local copy of the documentation
 doc: clean
 		@rm -rf doc
 		@git clone https://github.com/shaarli/Shaarli.wiki.git doc