diff --git a/dos/wccdos16.mak b/dos/wccdos16.mak
index a0cbb223..d980139d 100644
--- a/dos/wccdos16.mak
+++ b/dos/wccdos16.mak
@@ -1,4 +1,4 @@
-# Watcom WMAKE Makefile for PDCurses library - DOS (16 bit) Watcom C/C++ 10.6+
+# Watcom WMAKE Makefile for PDCurses library - DOS (16 bit) Open Watcom 1.8+
 #
 # Usage: wmake -f [path\]wccdos16.mak [DEBUG=Y] [target]
 #
diff --git a/dos/wccdos4g.mak b/dos/wccdos4g.mak
index e1ba1cde..2d98f73d 100644
--- a/dos/wccdos4g.mak
+++ b/dos/wccdos4g.mak
@@ -1,4 +1,4 @@
-# Watcom WMAKE Makefile for PDCurses library - DOS/4GW Watcom C/C++ 10.6+
+# Watcom WMAKE Makefile for PDCurses library - DOS/4GW Open Watcom 1.8+
 #
 # Usage: wmake -f [path\]wccdos4g.mak [DEBUG=Y] [target]
 #
diff --git a/os2/wccos2.mak b/os2/wccos2.mak
index d5900d30..7be5d1e2 100644
--- a/os2/wccos2.mak
+++ b/os2/wccos2.mak
@@ -1,4 +1,4 @@
-# Watcom WMAKE Makefile for PDCurses library - OS/2 Open Watcom 1.1+
+# Watcom WMAKE Makefile for PDCurses library - OS/2 Open Watcom 1.8+
 #
 # Usage: wmake -f [path\]wccos2.mak [DEBUG=Y] [target]
 #
diff --git a/win32/wccwin32.mak b/win32/wccwin32.mak
index 1363897b..b77e4f32 100644
--- a/win32/wccwin32.mak
+++ b/win32/wccwin32.mak
@@ -1,4 +1,4 @@
-# Watcom WMAKE Makefile for PDCurses library - Win32 Watcom C/C++ 10.6+
+# Watcom WMAKE Makefile for PDCurses library - Win32 Open Watcom 1.8+
 #
 # Usage: wmake -f [win32\]wccwin32.mak [DEBUG=Y] [WIDE=Y] [UTF8=Y] [target]
 #