diff --git a/2012/konno/.gitignore b/2012/konno/.gitignore
index 6581a3188..c475a0544 100644
--- a/2012/konno/.gitignore
+++ b/2012/konno/.gitignore
@@ -1,2 +1,2 @@
 konno
-konno_deobfuscate
+konno.alt
diff --git a/2012/konno/Makefile b/2012/konno/Makefile
index 107f1c18b..1940b64b7 100644
--- a/2012/konno/Makefile
+++ b/2012/konno/Makefile
@@ -104,8 +104,8 @@ CINCLUDE=
 #CINCLUDE= -include stdlib.h
 #CINCLUDE= -include stdio.h
 #CINCLUDE= -include stdlib.h -include stdio.h
-#CINCLUDE= -I ${X11_INCDIR}
-#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+#CINCLUDE= -I ${X11_INCDIR} -I ${X11_INCDIR}/X11
+#CINCLUDE= `${SDL2_CONFIG} --cflags`
 
 # Optimization
 #
@@ -129,7 +129,7 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 LIBS=
 #LIBS= -lm
 #LIBS= -L ${X11_LIBDIR} -lX11
-#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL2
+#LIBS= `${SDL2_CONFIG} --libs`
 
 # C compiler to use
 #
@@ -170,8 +170,8 @@ OBJ= ${PROG}.o
 DATA=
 TARGET= ${PROG}
 #
-ALT_OBJ= ${PROG}_deobfuscate.o
-ALT_TARGET= ${PROG}_deobfuscate
+ALT_OBJ= ${PROG}.alt.o
+ALT_TARGET= ${PROG}.alt
 
 
 #################
@@ -188,14 +188,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}_deobfuscate: ${PROG}_deobfuscate.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
@@ -330,4 +330,3 @@ pluto: charon
 	@echo "dwarf is a type of planet"
 	@echo "therefore, $@ is a planet"
 	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"
-
diff --git a/2012/konno/README.md b/2012/konno/README.md
index 98ba48a1f..9e5b10309 100644
--- a/2012/konno/README.md
+++ b/2012/konno/README.md
@@ -1,33 +1,43 @@
 # Best one liner
 
-Taketo Konno  
-Tokyo, Japan  
-<inaniwa3@gmail.com>  
+    Taketo Konno  
+    Tokyo, Japan  
+    <inaniwa3@gmail.com>  
 
-## To build:
+# To build:
 
-        make all
+```sh
+make
+```
 
 ### To run:
 
-    ./konno N
-    # where N is 0 to 255
+```sh
+./konno N
+```
+
+NOTE: N is an integer from 0 to 255.
 
 ### Try:
 
-    ./konno 30
+```sh
+./konno 30
+```
 
 ### Alternate code
 
-An alternate version of this entry, konno_deobfuscate.c, is provided.  This alternate code is an unobfuscated version of the winning code.
+An alternate version of this entry, `konno_alt.c`, is provided.
+This alternate code is an unobfuscated version of the winning code.
 
 To compile this alternate version:
 
-    make alt
+```sh
+make alt
+```
 
-Use `konno_deobfuscate` as you would `konno` above.
+Use `konno.alt` as you would `konno` above.
 
-### Selected Judges Remarks:
+## Judges' comments:
 
 This entry is a good one-liner to analyze completely.
 
@@ -42,11 +52,13 @@ This program outputs [elementary cellular automaton](http://mathworld.wolfram.co
 
 Try:
 
-    ./konno 30
-    ./konno 90
-    ./konno 102
-    ./konno 109
-    ./konno 165
+```sh
+./konno 30
+./konno 90
+./konno 102
+./konno 109
+./konno 165
+```
 
 There are 256 (from 0 to 255) possible rules.
 
@@ -54,11 +66,15 @@ There are 256 (from 0 to 255) possible rules.
 
 This program uses bit operations. I think
 
-    7&O<<!o>>!o+29
+```c
+7&O<<!o>>!o+29
+```
 
 is an intersting operation. This isn't equal to
 
-    7&O>>29
+```c
+7&O>>29
+```
 
 operation. What is the operation doing?
 
@@ -66,11 +82,10 @@ operation. What is the operation doing?
 
 This program assumes that the size of int is 4.
 
---------------------------------------------------------------------------------
-<!--
+## Copyright:
+
 (c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
 This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
 
 [judges]: http://www.ioccc.org/judges.html
 [cc]: http://creativecommons.org/licenses/by-sa/3.0/
--->
diff --git a/2012/konno/konno_deobfuscate.c b/2012/konno/konno.alt.c
similarity index 100%
rename from 2012/konno/konno_deobfuscate.c
rename to 2012/konno/konno.alt.c