diff --git a/README.md b/README.md
index 2eea2f0..ed62444 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+
 ## Websocket Client and Server for Arduino
 
 This is a simple library that implements a Websocket client and server running on an Arduino.
@@ -20,4 +21,4 @@ Because of limitations of the current Arduino platform (Uno at the time of this
 ### Credits
 Thank you to github user ejeklint for the excellent starting point for this library. From his original Hixie76-only code I was able to add support for RFC 6455 and create the WebSocket client.
 
-- Branden
\ No newline at end of file
+- Branden
diff --git a/sha1.cpp b/sha1.cpp
index 770f6f5..0732a79 100755
--- a/sha1.cpp
+++ b/sha1.cpp
@@ -8,7 +8,7 @@
 #define SHA1_K40 0x8f1bbcdc
 #define SHA1_K60 0xca62c1d6
 
-uint8_t sha1InitState[] PROGMEM = {
+const uint8_t sha1InitState[] PROGMEM = { 
   0x01,0x23,0x45,0x67, // H0
   0x89,0xab,0xcd,0xef, // H1
   0xfe,0xdc,0xba,0x98, // H2