diff --git a/2004/burley/Makefile b/2004/burley/Makefile
index fe20f609b..79bc12f3f 100644
--- a/2004/burley/Makefile
+++ b/2004/burley/Makefile
@@ -66,7 +66,8 @@ CINCLUDE= -include stdio.h -include setjmp.h -include string.h -include time.h -
 
 # Optimization
 #
-OPT=
+# We DISABLE the optimiser because having it enabled BREAKS the program.
+OPT= -O0
 
 # Default flags for ANSI C compilation
 #
@@ -131,8 +132,10 @@ all: data ${TARGET}
 	clean clobber install love haste waste maker easter_egg \
 	sandwich supernova deep_magic magic charon pluto
 
+# NOTE: We FORCE the use of -O0 even if someone overrides it because this entry
+# will not work with it enabled.
 ${PROG}: ${PROG}.c
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
+	${CC} ${CFLAGS} -O0 $< -o $@ ${LDFLAGS}
 
 # alternative executable
 #
diff --git a/2004/burley/README.md b/2004/burley/README.md
index 8f4e2259e..98c460975 100644
--- a/2004/burley/README.md
+++ b/2004/burley/README.md
@@ -4,6 +4,9 @@
 make
 ```
 
+NOTE: We FORCE the use of -O0 even if someone overrides it because this entry
+will not work with it enabled.
+
 
 ## To use:
 
diff --git a/thanks-for-help.md b/thanks-for-help.md
index 1403e137b..b9dd4193f 100644
--- a/thanks-for-help.md
+++ b/thanks-for-help.md
@@ -2665,16 +2665,16 @@ For clang the problem was that `main()` had one arg, a `char *` and this is not
 allowed in any version of clang. In some versions it is allowed if the arg is an
 `int` but never if it's anything else. To get it to work took numerous changes.
 
-First the inclusion of `setjmp.h` was necessary. Without this `longjmp()`
-implicitly returned int which was used for the purpose of binary expression but
+First the inclusion of `setjmp.h` was necessary. Without this `longjmp(3)`
+implicitly returned `int` which was used for the purpose of binary expression but
 this no longer worked.
 
 But by including `setjmp.h` it naturally made the binary expressions invalid (as
-it returns void which no longer is allowed in binary expressions) so the comma
+it returns `void` which is not allowed in binary expressions) so the comma
 operator with `0` (`,0`) had to be used (`,1` was tried first but this did not
 work right).
 
-`longjmp()` was being called with one arg which was an element
+`longjmp(3)` was being called with one arg which was an element
 of an `int[4][1000]` which had to be changed to a `jmp_buf p[4]` (this due to
 the prototype being included).