diff --git a/README.md b/README.md
index 010ddcb..8204b70 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ Release :: (m: *Memory)
 
 ## Operator overload example
 
-```
+``` odin
 Vec3 :: struct                   ;; x: F32; y: F32; z: F32
 "-"  :: (a: Vec3, b: Vec3): Vec3 ;; return {a.x-b.x, a.y-b.y, a.z-b.z}
 "-"  :: (a: Vec3): Vec3          ;; return {-a.x, -a.y, -a.z         }
@@ -66,7 +66,7 @@ Vec3 :: struct                   ;; x: F32; y: F32; z: F32
 
 ## Unicode conversion example
 
-```
+``` zig
 Utf8ToUtf32 :: (c: *U8, max_advance: S64): U32, S64
   out_str: U32
   advance: S64