Fix typo of hexidecimal
diff --git a/Misc/cheatsheet b/Misc/cheatsheet
index 4e9c01e..605084a 100644
--- a/Misc/cheatsheet
+++ b/Misc/cheatsheet
@@ -565,8 +565,8 @@
i Signed integer decimal.
o Unsigned octal.
u Unsigned decimal.
-x Unsigned hexidecimal (lowercase).
-X Unsigned hexidecimal (uppercase).
+x Unsigned hexadecimal (lowercase).
+X Unsigned hexadecimal (uppercase).
e Floating point exponential format (lowercase).
E Floating point exponential format (uppercase).
f Floating point decimal format.
diff --git a/Modules/future_builtins.c b/Modules/future_builtins.c
index d5c136a..686925d 100644
--- a/Modules/future_builtins.c
+++ b/Modules/future_builtins.c
@@ -14,7 +14,7 @@
\n\
Functions:\n\
\n\
-hex(arg) -- Returns the hexidecimal representation of an integer\n\
+hex(arg) -- Returns the hexadecimal representation of an integer\n\
oct(arg) -- Returns the octal representation of an integer\n\
\n\
The typical usage of this module is to replace existing builtins in a\n\