diff --git a/exercises/03-What-is-a-function/README.es.md b/exercises/03-What-is-a-function/README.es.md
index ae4883c..4f0aa47 100644
--- a/exercises/03-What-is-a-function/README.es.md
+++ b/exercises/03-What-is-a-function/README.es.md
@@ -16,7 +16,7 @@ total = sum(2,3)
 total2 = sum(5,10)
 
 print(total) # prints 5 on the terminal
-print(total2) # prints 10 on the terminal
+print(total2) # prints 15 on the terminal
 ```
 
 # 📝 Instrucciones
diff --git a/exercises/03-What-is-a-function/README.md b/exercises/03-What-is-a-function/README.md
index f496580..c49d55c 100755
--- a/exercises/03-What-is-a-function/README.md
+++ b/exercises/03-What-is-a-function/README.md
@@ -20,7 +20,7 @@ total = sum(2,3)
 total2 = sum(5,10)
 
 print(total) # prints 5 on the terminal
-print(total2) # prints 10 on the terminal
+print(total2) # prints 15 on the terminal
 ```
 
 # 📝 Instructions
diff --git a/exercises/06-lambda-functions/README.es.md b/exercises/06-lambda-functions/README.es.md
index cc894d4..b9ee110 100644
--- a/exercises/06-lambda-functions/README.es.md
+++ b/exercises/06-lambda-functions/README.es.md
@@ -29,5 +29,5 @@ Así es como declararías una función normal
 ```python
 # this function return True if a number is odd.
 def is_odd(num):
-    return (num % 2) == 0:
+    return (num % 2)! == 0:
 ```
diff --git a/exercises/06-lambda-functions/README.md b/exercises/06-lambda-functions/README.md
index 5ca8c31..3866aeb 100755
--- a/exercises/06-lambda-functions/README.md
+++ b/exercises/06-lambda-functions/README.md
@@ -34,6 +34,6 @@ Here is how you would declare it like a normal function
 ```python
 # this function return True if a number is odd.
 def is_odd(num):
-    return (num % 2) == 0:
+    return (num % 2) !== 0:
 ```