diff --git a/builds/ansi/ansi-def.mk b/builds/ansi/ansi-def.mk
index 9642098..f8d4ab6 100644
--- a/builds/ansi/ansi-def.mk
+++ b/builds/ansi/ansi-def.mk
@@ -64,7 +64,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c
diff --git a/builds/beos/beos-def.mk b/builds/beos/beos-def.mk
index 5ae7ed8..07b7711 100644
--- a/builds/beos/beos-def.mk
+++ b/builds/beos/beos-def.mk
@@ -66,7 +66,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c
diff --git a/builds/compiler/ansi-cc.mk b/builds/compiler/ansi-cc.mk
index 78b13a4..fd1dacc 100644
--- a/builds/compiler/ansi-cc.mk
+++ b/builds/compiler/ansi-cc.mk
@@ -59,7 +59,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c
diff --git a/builds/compiler/bcc-dev.mk b/builds/compiler/bcc-dev.mk
index 5f6f161..06227d4 100644
--- a/builds/compiler/bcc-dev.mk
+++ b/builds/compiler/bcc-dev.mk
@@ -60,7 +60,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -q -c -y -d -v -Od -w-par -w-ccc -w-rch -w-pro -w-aus
diff --git a/builds/compiler/bcc.mk b/builds/compiler/bcc.mk
index f5e2e8a..6ec6709 100644
--- a/builds/compiler/bcc.mk
+++ b/builds/compiler/bcc.mk
@@ -60,7 +60,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c -q -y -d -v -Od -w-par -w-ccc -w-rch -w-pro -w-aus
diff --git a/builds/compiler/emx.mk b/builds/compiler/emx.mk
index bbb7604..9de0c1b 100644
--- a/builds/compiler/emx.mk
+++ b/builds/compiler/emx.mk
@@ -58,7 +58,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c -g -O6 -Wall
diff --git a/builds/compiler/gcc-dev.mk b/builds/compiler/gcc-dev.mk
index 95b5f50..0ccd116 100644
--- a/builds/compiler/gcc-dev.mk
+++ b/builds/compiler/gcc-dev.mk
@@ -59,7 +59,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 ifndef CFLAGS
diff --git a/builds/compiler/gcc.mk b/builds/compiler/gcc.mk
index 63cd93b..c1dcef5 100644
--- a/builds/compiler/gcc.mk
+++ b/builds/compiler/gcc.mk
@@ -58,7 +58,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c -g -O3 -Wall
diff --git a/builds/compiler/intelc.mk b/builds/compiler/intelc.mk
index b3c69b0..fb2e1c6 100644
--- a/builds/compiler/intelc.mk
+++ b/builds/compiler/intelc.mk
@@ -61,7 +61,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 #   Note that the Intel C/C++ compiler version 4.5 complains about
diff --git a/builds/compiler/unix-lcc.mk b/builds/compiler/unix-lcc.mk
index 26f8e7b..8cad15b 100644
--- a/builds/compiler/unix-lcc.mk
+++ b/builds/compiler/unix-lcc.mk
@@ -60,7 +60,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c -g
diff --git a/builds/compiler/visualc.mk b/builds/compiler/visualc.mk
index a9cf71d..2a7eb52 100644
--- a/builds/compiler/visualc.mk
+++ b/builds/compiler/visualc.mk
@@ -63,7 +63,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= /nologo /c /Ox /W3 /WX
diff --git a/builds/compiler/watcom.mk b/builds/compiler/watcom.mk
index 43a9e06..0e6ef4f 100644
--- a/builds/compiler/watcom.mk
+++ b/builds/compiler/watcom.mk
@@ -60,7 +60,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -zq
diff --git a/builds/compiler/win-lcc.mk b/builds/compiler/win-lcc.mk
index 00d9d31..7857dc1 100644
--- a/builds/compiler/win-lcc.mk
+++ b/builds/compiler/win-lcc.mk
@@ -60,7 +60,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 CFLAGS ?= -c -g2 -O
diff --git a/builds/unix/unix-cc.in b/builds/unix/unix-cc.in
index 30d097b..9dabb24 100644
--- a/builds/unix/unix-cc.in
+++ b/builds/unix/unix-cc.in
@@ -73,7 +73,7 @@
 #
 #   These should concern: debug output, optimization & warnings.
 #
-#   Use the ANSIFLAGS variable to define the compiler flags used to enfore
+#   Use the ANSIFLAGS variable to define the compiler flags used to enforce
 #   ANSI compliance.
 #
 #   We use our own FreeType configuration files overriding defaults.