diff --git a/035-exercises-31-34/src/ComplexNumber.java b/035-exercises-31-34/src/ComplexNumber.java
index 5682607..9516829 100644
--- a/035-exercises-31-34/src/ComplexNumber.java
+++ b/035-exercises-31-34/src/ComplexNumber.java
@@ -17,7 +17,7 @@ public double getImaginary() {
 
     public void add(double real, double imaginery) {
         this.real += real;
-        this.imaginary += imaginery;
+        this.imaginary += imaginary;
     }
 
     public void add(ComplexNumber complexNumber) {
@@ -27,7 +27,7 @@ public void add(ComplexNumber complexNumber) {
 
     public void subtract(double real, double imaginery) {
         this.real -= real;
-        this.imaginary -= imaginery;
+        this.imaginary -= imaginary;
     }
 
     public void subtract(ComplexNumber complexNumber) {