diff --git a/Arduino.mk b/Arduino.mk
index 9e29e37..60bec1c 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1333,7 +1333,7 @@ ifneq ($(strip $(AVRDUDE_ISP_FUSES_POST)),)
 		$(AVRDUDE) $(AVRDUDE_COM_OPTS) $(AVRDUDE_ISP_OPTS) $(AVRDUDE_ISP_FUSES_POST)
 endif
 
-clean:
+clean::
 		$(REMOVE) $(OBJDIR)
 
 size:	$(TARGET_HEX)
diff --git a/HISTORY.md b/HISTORY.md
index 1924534..072e695 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -12,10 +12,10 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 - Add: Add information about overriding system libs (Issue #229). (https://github.com/sej7278)
 - Add: Add information about reporting bugs to the correct project (Issue #231). (https://github.com/sej7278)
 - Fix: Allow the use of CFLAGS_STD and CXXFLAGS_STD and set defaults (Issue #234) (https://github.com/ladislas)
-- Tweak: Remove \$(EXTRA_XXX) variables (Issue #234) (https://github.com/ladislas)
+- Tweak: Remove $(EXTRA_XXX) variables (Issue #234) (https://github.com/ladislas)
 - Add: Add documentation about CFLAGS_STD and CXXFLAGS_STD (Issue #234) (https://github.com/ladislas)
 - Tweak: Update Malefile-example.mk with STD flags (https://github.com/ladislas)
-
+- Add: Allow "make clean" target to be extended (Issue #239). (https://github.com/sej7278)
 
 ### 1.3.4 (2014-07-12)
 - Tweak: Allow spaces in "Serial.begin (....)". (Issue #190) (https://github.com/pdav)
diff --git a/examples/MakefileExample/Makefile-example.mk b/examples/MakefileExample/Makefile-example.mk
index 964f9de..67e83e3 100644
--- a/examples/MakefileExample/Makefile-example.mk
+++ b/examples/MakefileExample/Makefile-example.mk
@@ -36,7 +36,7 @@ MONITOR_BAUDRATE  = 115200
 ### On OS X with `homebrew`:
 AVR_TOOLS_DIR     = /usr/local
 ### or on Linux: (remove the one you don't want)
-AVR_TOOLS_DIR     = /usr/bin
+AVR_TOOLS_DIR     = /usr
 
 ### AVRDDUDE
 ### Path to avrdude directory.