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.