diff --git a/docs/tutorials/developer-journey/level-2/2.4-intro-candid.mdx b/docs/tutorials/developer-journey/level-2/2.4-intro-candid.mdx
index 1903840719..22555f111d 100644
--- a/docs/tutorials/developer-journey/level-2/2.4-intro-candid.mdx
+++ b/docs/tutorials/developer-journey/level-2/2.4-intro-candid.mdx
@@ -193,8 +193,8 @@ This service might be upgraded in the following manner:
 type timestamp = nat; // Define a new type of 'timestamp'
 service counter : {
   set : (nat) -> (); // Define a new method
-  add : (int) -> (new_val : nat); // Change the parameter result types
-  subtract : (nat, trap_on_underflow : opt bool) -> (new_val : nat); // Change the parameter result types
+  add : (int) -> (new_val : nat); // Change the parameter and result types
+  subtract : (nat, trap_on_underflow : opt bool) -> (new_val : nat); // Change the parameter and result types
   get : () -> (nat, last_change : timestamp) query; // Change the result types
 }
 ```
@@ -357,7 +357,7 @@ In this output, you can see the URL for the Candid interface under 'Backend cani
 
 ![Candid UI 1](../_attachments/candid_ui-1.png)
 
-Let's use the same workflow you used on the command-line. First, let's add 12 to the counter by entering '12' into the 'add' method, then selecting 'call'. The output log on the left will reflect this call.
+Let's use the same workflow you used on the command-line. First, let's add 12 to the counter by entering '12' into the 'add' method, then selecting 'call'. The output log on the right will reflect this call.
 
 ![Candid UI 2](../_attachments/candid_ui-2.png)