README: Add C highlight in example it was missing.

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 02861c2..0a7f158 100644
--- a/README.md
+++ b/README.md
@@ -109,11 +109,13 @@ program holds an SDS string and not a C string, however this is not mandatory.
 
 This is the simplest SDS program you can write that does something:
 
+    ```c
     sds mystring = sdsnew("Hello World!");
     printf("%s\n", mystring);
     sdsfree(mystring);
 
     output> Hello World!
+    ```
 
 The above small program already shows a few important things about SDS: