Update context.md

docs/concepts/context.md

@@ -132,7 +132,7 @@ def change_ownership(new_owner):
 
 The above contract is not callable unless the `ctx.caller` is the `ctx.owner`. Therefore, you do not need to do additional checks to make sure that this is the case.
 
-### `ctx.entry`
+### ctx.entry
 
 When someone calls a contract through another contract, you might want to know what contract and function it was that called it in the first place.