diff --git a/poincare/include/poincare/real_part.h b/poincare/include/poincare/real_part.h
index 036aaaeb3..4634fb655 100644
--- a/poincare/include/poincare/real_part.h
+++ b/poincare/include/poincare/real_part.h
@@ -5,9 +5,9 @@
 
 namespace Poincare {
 
-class ReelPart : public Function {
+class RealPart : public Function {
 public:
-  ReelPart();
+  RealPart();
   Type type() const override;
   Expression * cloneWithDifferentOperands(Expression ** newOperands,
     int numberOfOperands, bool cloneOperands = true) const override;
diff --git a/poincare/src/expression_lexer.l b/poincare/src/expression_lexer.l
index 302c9fd44..2f3ce2e51 100644
--- a/poincare/src/expression_lexer.l
+++ b/poincare/src/expression_lexer.l
@@ -124,7 +124,7 @@ prediction95 { poincare_expression_yylval.expression = new PredictionInterval();
 prediction { poincare_expression_yylval.expression = new ConfidenceInterval(); return FUNCTION; }
 product { poincare_expression_yylval.expression = new Product(); return FUNCTION; }
 quo { poincare_expression_yylval.expression = new DivisionQuotient(); return FUNCTION; }
-re { poincare_expression_yylval.expression = new ReelPart(); return FUNCTION; }
+re { poincare_expression_yylval.expression = new RealPart(); return FUNCTION; }
 rem { poincare_expression_yylval.expression = new DivisionRemainder(); return FUNCTION; }
 root { poincare_expression_yylval.expression = new NthRoot(); return FUNCTION; }
 round { poincare_expression_yylval.expression = new Round(); return FUNCTION; }
diff --git a/poincare/src/real_part.cpp b/poincare/src/real_part.cpp
index 5a5798cc5..21abd9402 100644
--- a/poincare/src/real_part.cpp
+++ b/poincare/src/real_part.cpp
@@ -8,25 +8,25 @@ extern "C" {
 
 namespace Poincare {
 
-ReelPart::ReelPart() :
+RealPart::RealPart() :
   Function("re")
 {
 }
 
-Expression::Type ReelPart::type() const {
+Expression::Type RealPart::type() const {
   return Type::ReelPart;
 }
 
-Expression * ReelPart::cloneWithDifferentOperands(Expression** newOperands,
+Expression * RealPart::cloneWithDifferentOperands(Expression** newOperands,
         int numberOfOperands, bool cloneOperands) const {
   assert(newOperands != nullptr);
-  ReelPart * rp = new ReelPart();
+  RealPart * rp = new RealPart();
   rp->setArgument(newOperands, numberOfOperands, cloneOperands);
   return rp;
 }
 
 template<typename T>
-Complex<T> ReelPart::templatedComputeComplex(const Complex<T> c) const {
+Complex<T> RealPart::templatedComputeComplex(const Complex<T> c) const {
   return Complex<T>::Float(c.a());
 }