diff --git a/connect4.c b/connect4.c
index b054145..91710c8 100644
--- a/connect4.c
+++ b/connect4.c
@@ -114,7 +114,7 @@ int main( int argc, char *argv[] ){
 "\n"
 "  -o file  --output file  Ouput moves taken in game to file\n"
 "\n"
-"      --slow-calcwins  Use the 32bit reference implementation of calcWins()\n"
+"      --slow-calcwins  Use the reference implementation of calcWins()\n"
 "      --random-moves   Play random moves instead of asking for input\n"
 				);
 			return 0;
@@ -150,7 +150,7 @@ int main( int argc, char *argv[] ){
 		fprintf( stderr, "ERR: AMOUT OF ROWS MUST BE AT LEAST 1\n" );
 		return -1;
 	}
-#define ROWOVERFLOW (rowsint_t)( sizeof(column_t) * CHAR_BIT )
+#define ROWOVERFLOW (rowsint_t)( sizeof(column_t) * CHAR_BIT - 1 )
 	if( playboard.rows >= ROWOVERFLOW ){
 		fprintf( stderr,
 			"ERR: AMOUT OF ROWS MUST BE LESS THAN %d\n", ROWOVERFLOW
diff --git a/types.h b/types.h
index 028565d..9590065 100644
--- a/types.h
+++ b/types.h
@@ -5,13 +5,13 @@
 #include <limits.h>
 #include "config.h"
 
-// Use fastest available ints unless it's 64 bits because that uses more memory
+// Use fastest available ints unless it's 64 bits because that is doing silly
 #if INT_FAST16_MAX == INT_FAST64_MAX
-typedef  int      rowsint_t;
-typedef unsigned  columnsint_t;
+typedef  int     rowsint_t;
+typedef unsigned columnsint_t;
 #define QUITCOLUMN UINT_MAX
-typedef unsigned  winint_t;
-typedef uintmax_t column_t;
+typedef unsigned winint_t;
+typedef unsigned column_t;
 #else
 typedef  int_fast8_t rowsint_t;
 typedef uint_fast8_t columnsint_t;