diff --git a/ml.cpp b/ml.cpp
index a89eb13..098c5e9 100644
--- a/ml.cpp
+++ b/ml.cpp
@@ -223,7 +223,6 @@ std::vector<MlValue> MlValue::as_list() const {
 // Push an item to the end of this list
 void MlValue::push(MlValue val) {
 	// If this item is not a list, you cannot push to it.
-	// Throw an error.
 	if (type != LIST)
 		throw MlError(*this, MlEnvironment(), MISMATCHED_TYPES);
 
@@ -233,7 +232,6 @@ void MlValue::push(MlValue val) {
 // Push an item from the end of this list
 MlValue MlValue::pop() {
 	// If this item is not a list, you cannot pop from it.
-	// Throw an error.
 	if (type != LIST)
 		throw MlError(*this, MlEnvironment(), MISMATCHED_TYPES);
 
@@ -294,7 +292,7 @@ bool MlValue::operator==(MlValue other) const {
 	// other to a float, and then compare for equality.
 	if (type == FLOAT && other.type == INT) return *this == other.cast_to_float();
 	else if (type == INT && other.type == FLOAT) return this->cast_to_float() == other;
-		// If the values types aren't equal, then they cannot be equal.
+	// If the values types aren't equal, then they cannot be equal.
 	else if (type != other.type) return false;
 
 	switch (type) {
@@ -363,8 +361,6 @@ bool MlValue::operator<(const MlValue &other) const {
 	}
 }
 
-
-// This function adds two lisp values, and returns the lisp value result.
 MlValue MlValue::operator+(const MlValue &other) const {
 	if (other.type == NIL)
 		throw MlError(*this, MlEnvironment(), INVALID_ARGUMENT_NIL);
@@ -408,7 +404,6 @@ MlValue MlValue::operator+(const MlValue &other) const {
 	}
 }
 
-// This function subtracts two lisp values, and returns the lisp value result.
 MlValue MlValue::operator-(const MlValue &other) const {
 	if (other.type == NIL)
 		throw MlError(*this, MlEnvironment(), INVALID_ARGUMENT_NIL);
@@ -435,7 +430,6 @@ MlValue MlValue::operator-(const MlValue &other) const {
 	}
 }
 
-// This function multiplies two lisp values, and returns the lisp value result.
 MlValue MlValue::operator*(const MlValue &other) const {
 	if (other.type == NIL)
 		throw MlError(*this, MlEnvironment(), INVALID_ARGUMENT_NIL);
@@ -460,7 +454,6 @@ MlValue MlValue::operator*(const MlValue &other) const {
 	}
 }
 
-// This function divides two lisp values, and returns the lisp value result.
 MlValue MlValue::operator/(const MlValue &other) const {
 	if (other.type == NIL)
 		throw MlError(*this, MlEnvironment(), INVALID_ARGUMENT_NIL);
@@ -485,7 +478,6 @@ MlValue MlValue::operator/(const MlValue &other) const {
 	}
 }
 
-// This function finds the remainder of two lisp values, and returns the lisp value result.
 MlValue MlValue::operator%(const MlValue &other) const {
 	if (other.type == NIL)
 		throw MlError(*this, MlEnvironment(), INVALID_ARGUMENT_NIL);