diff --git a/solver.hpp b/solver.hpp
index 03174f9..d39d028 100644
--- a/solver.hpp
+++ b/solver.hpp
@@ -15,9 +15,11 @@ public:
 	}
 
 	// Utility functions
+	// Prints what the solver deduced
 	void print() {
 		known.print();
 	}
+	// Clean guess and response from info we know
 	Historic_guess clean(Historic_guess hist) {
 		// The in-place colors we know
 		for(int n = 0; n < N; n++) {
@@ -43,6 +45,7 @@ public:
 
 		return hist;
 	}
+	// For each color, get where it was guessed
 	vector<vector<int>> get_positions_of_colors(vector<int> guess) {
 		auto positions_of_colors = vector<vector<int>>(M, vector<int>(0));
 		for(int n = 0; n < N; n++)