diff --git a/tools/boards.txt.py b/tools/boards.txt.py
index d5628886e..371c1a8d5 100755
--- a/tools/boards.txt.py
+++ b/tools/boards.txt.py
@@ -1237,24 +1237,24 @@ def usage (name,ret):
     print ""
     print "usage: %s [options]" % name
     print ""
-    print "	-h, --help"
-    print "	--lwip			- preferred default lwIP version (default %d)" % lwip
-    print "	--led			- preferred default builtin led for generic boards (default %d)" % led_default
-    print "	--board b		- board to modify:"
-    print "		--speed	s	- change default serial speed"
-    print "	--customspeed s		- new serial speed for all boards"
-    print "	--nofloat		- disable float support in printf/scanf"
+    print " -h, --help"
+    print " --lwip          - preferred default lwIP version (default %d)" % lwip
+    print " --led           - preferred default builtin led for generic boards (default %d)" % led_default
+    print " --board b       - board to modify:"
+    print " --speed s       - change default serial speed"
+    print " --customspeed s - new serial speed for all boards"
+    print " --nofloat       - disable float support in printf/scanf"
     print ""
-    print "	mandatory option (at least one):"
+    print " mandatory option (at least one):"
     print ""
-    print "	--boards		- show boards.txt"
-    print "	--boardsgen		- replace boards.txt"
-    print "	--ld			- show ldscripts"
-    print "	--ldgen			- replace ldscripts"
-    print "	--package		- show package"
-    print "	--packagegen		- replace board:[] in package"
-    print "	--doc			- shows doc/boards.rst"
-    print "	--docgen		- replace doc/boards.rst"
+    print " --boards        - show boards.txt"
+    print " --boardsgen     - replace boards.txt"
+    print " --ld            - show ldscripts"
+    print " --ldgen         - replace ldscripts"
+    print " --package       - show package"
+    print " --packagegen    - replace board:[] in package"
+    print " --doc           - shows doc/boards.rst"
+    print " --docgen        - replace doc/boards.rst"
     print ""
 
     out = ""