Updated README

Minor update to readme and test text.

README.md

@@ -1,6 +1,6 @@
 # SHA1 in C
 
-SHA1 algorithm in C. A single function that reads a file and outputs it's sha1sum.
+SHA1 algorithm in C. A single function that reads a file and outputs it's sha1sum. This is a little endian implementation.
 
 ## How to use
 

test

@@ -1 +1 @@
-Hello World
+The quick brown fox jumps over the lazy dog