diff --git a/Makefile b/Makefile
index 8831785..3bdd670 100644
--- a/Makefile
+++ b/Makefile
@@ -1,21 +1,21 @@
-TARGETS=print_uint16 print_uint16_zp print_uint16_sp
+TARGETS=print_uint16_sans_zp print_uint16_with_zp print_uint16_with_sp
 all: $(TARGETS)
 
 .PHONY: clean dump
 clean:
 	rm $(TARGETS)
 
-print_uint16: print_uint16.s
+print_uint16_sans_zp: print_uint16_sans_zp.s
 	merlin32  print_uint16.s
 
-print_uint16_zp: print_uint16_zp.s
-	merlin32     print_uint16_zp.s
+print_uint16_with_zp: print_uint16_with_zp.s
+	merlin32          print_uint16_with_zp.s
 
-print_uint16_sp: print_uint16_sp.s
-	merlin32     print_uint16_sp.s
+print_uint16_with_sp: print_uint16_with_sp.s
+	merlin32          print_uint16_with_sp.s
 
 dump: $(TARGETS)
-	hexdump8 print_uint16    800
-	hexdump8 print_uint16_zp 900
-	hexdump8 print_uint16_sp a00
+	hexdump8 print_uint16_sans_zp 800
+	hexdump8 print_uint16_with_zp 900
+	hexdump8 print_uint16_with_sp a00
 
diff --git a/README.md b/README.md
index f255a0e..b5ffe7d 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
 # Print unsigned 16-bit
 
-6502 assembly code to print an unsigned 16-bit in decimal.
+6502 assembly code to print an unsigned 16-bit in decimal -- 3 versions to pick from.
 
 Features:
 
 * Highly optimized for space
-* No zero-page usage   [version](print_uint16.s)    79 ($4F) bytes
-* With zero-page usage [version](print_uint16_zp.s) 67 ($43) bytes
-* With stack var usage [version](print_uint16_sp.s) 83 ($53) bytes
+* [Sans zero-page usage](print_uint16_sans_zp.s) 79 ($4F) bytes
+* [With zero-page usage](print_uint16_with_zp.s) 67 ($43) bytes
+* [With stack var usage](print_uint16_with_sp.s) 83 ($53) bytes
 * Only 2 ROM entry points used: PRHEXZ, SCRN2
 * Includes 7 byte demo
 
diff --git a/print_uint16 b/print_uint16_sans_zp
similarity index 100%
rename from print_uint16
rename to print_uint16_sans_zp
diff --git a/print_uint16.s b/print_uint16_sans_zp.s
similarity index 100%
rename from print_uint16.s
rename to print_uint16_sans_zp.s
diff --git a/print_uint16_sp b/print_uint16_with_sp
similarity index 100%
rename from print_uint16_sp
rename to print_uint16_with_sp
diff --git a/print_uint16_sp.s b/print_uint16_with_sp.s
similarity index 100%
rename from print_uint16_sp.s
rename to print_uint16_with_sp.s
diff --git a/print_uint16_zp b/print_uint16_with_zp
similarity index 100%
rename from print_uint16_zp
rename to print_uint16_with_zp
diff --git a/print_uint16_zp.s b/print_uint16_with_zp.s
similarity index 100%
rename from print_uint16_zp.s
rename to print_uint16_with_zp.s