diff --git a/addons/Makefile b/addons/Makefile
index 21d6b004ee..e1ff95f649 100644
--- a/addons/Makefile
+++ b/addons/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 #
 # Makefile for Add-on Modules
 #
diff --git a/agi/Makefile b/agi/Makefile
index fd5219f779..8a2186001a 100644
--- a/agi/Makefile
+++ b/agi/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for AGI-related stuff
 #
diff --git a/bridges/Makefile b/bridges/Makefile
index 90ed6c204a..d887ae1f2c 100644
--- a/bridges/Makefile
+++ b/bridges/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for bridging modules
 #
diff --git a/cel/Makefile b/cel/Makefile
index 5ac6d89af9..8e0a0225ec 100644
--- a/cel/Makefile
+++ b/cel/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for CEL backends
 #
diff --git a/codecs/Makefile b/codecs/Makefile
index 51f05ac362..88dddc467f 100644
--- a/codecs/Makefile
+++ b/codecs/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for codec modules
 #
diff --git a/formats/Makefile b/formats/Makefile
index 4834701032..069d30be40 100644
--- a/formats/Makefile
+++ b/formats/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for file format modules
 #
diff --git a/funcs/Makefile b/funcs/Makefile
index 2c1c1cb3e7..1caa7c3e44 100644
--- a/funcs/Makefile
+++ b/funcs/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for dialplan functions
 #
diff --git a/main/Makefile b/main/Makefile
index feedf224bc..55ffbf4207 100644
--- a/main/Makefile
+++ b/main/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 #
 # Makefile to build main Asterisk binary
 #
diff --git a/pbx/Makefile b/pbx/Makefile
index a328dc4619..0afc4bcad2 100644
--- a/pbx/Makefile
+++ b/pbx/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for PBX modules
 #
diff --git a/sounds/Makefile b/sounds/Makefile
index 7e9d963eac..af811bc391 100644
--- a/sounds/Makefile
+++ b/sounds/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for sound files
 #
diff --git a/tests/Makefile b/tests/Makefile
index 4f1a0677b9..000da6c946 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Makefile for test modules
 #
diff --git a/utils/Makefile b/utils/Makefile
index 718b9ba0c0..aff39ce78e 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -1,5 +1,5 @@
 #
-# Asterisk -- A telephony toolkit for Linux.
+# Asterisk -- An open source telephony toolkit.
 # 
 # Various utilities
 #