diff --git a/README.md b/README.md
index 4e13128..72c6207 100644
--- a/README.md
+++ b/README.md
@@ -10,42 +10,46 @@ Installation:
   Restart Arduino to rescan for new libraries.
 
 Using SHA-1:
-  #include "sha1.h"
-  ...
-  uint8_t *hash;
-  Sha1.init();
-  Sha1.print("This is a message to hash");
-  hash = Sha1.result();
+
+    #include "sha1.h"
+    ...
+    uint8_t *hash;
+    Sha1.init();
+    Sha1.print("This is a message to hash");
+    hash = Sha1.result();
 
   The hash result is then stored in hash[0], hash[1] .. hash[19].
 
 Using HMAC-SHA-1:
-  #include "sha1.h"
-  ...
-  uint8_t *hash;
-  Sha1.initHmac("hash key",8); // key, and length of key in bytes
-  Sha1.print("This is a message to hash");
-  hash = Sha1.resultHmac();
+
+    #include "sha1.h"
+    ...
+    uint8_t *hash;
+    Sha1.initHmac("hash key",8); // key, and length of key in bytes
+    Sha1.print("This is a message to hash");
+    hash = Sha1.resultHmac();
 
   The hash result is then stored in hash[0], hash[1] .. hash[19].
 
 Using SHA-256:
-  #include "sha256.h"
-  ...
-  uint8_t *hash;
-  Sha256.init();
-  Sha256.print("This is a message to hash");
-  hash = Sha256.result();
+
+    #include "sha256.h"
+    ...
+    uint8_t *hash;
+    Sha256.init();
+    Sha256.print("This is a message to hash");
+    hash = Sha256.result();
 
   The hash result is then stored in hash[0], hash[1] .. hash[31].
 
 Using HMAC-SHA-256:
-  #include "sha256.h"
-  ...
-  uint8_t *hash;
-  Sha256.initHmac("hash key",8); // key, and length of key in bytes
-  Sha256.print("This is a message to hash");
-  hash = Sha256.resultHmac();
+
+    #include "sha256.h"
+    ...
+    uint8_t *hash;
+    Sha256.initHmac("hash key",8); // key, and length of key in bytes
+    Sha256.print("This is a message to hash");
+    hash = Sha256.resultHmac();
 
   The hash result is then stored in hash[0], hash[1] .. hash[31].