diff --git a/Makefile b/Makefile
index 3c36a08..c220f3b 100644
--- a/Makefile
+++ b/Makefile
@@ -4,10 +4,10 @@ OBJS            := $(SRCS:.cc=.o)
 
 DEBUG           := -g
 
-SDL_INCLUDE     := `sdl2-config --cflags` -I.
+SDL_INCLUDE     := `sdl2-config --cflags`
 SDL_LIB         := `sdl2-config --libs` -lSDL2_ttf -lSDL2_mixer
 
-CPPFLAGS        += $(SDL_INCLUDE)
+CPPFLAGS        += $(SDL_INCLUDE) -I.
 CXXFLAGS        += $(DEBUG) -Wall -std=c++11
 LDFLAGS         += $(SDL_LIB)
 
diff --git a/README.md b/README.md
index 13e3434..808f1bb 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Pong clone written in C++ with SDL 2.0.
 
 You will need:
 
-+ [SDL 2.0](https://www.libsdl.org/hg.php)
++ [SDL 2.0](https://www.libsdl.org/)
 + [SDL Mixer 2.0](http://www.libsdl.org/projects/SDL_mixer/)
 + [SDL TTF 2.0](https://www.libsdl.org/projects/SDL_ttf/)
 
diff --git a/src/ball.cc b/src/ball.cc
index 2d9b3f7..4c60346 100644
--- a/src/ball.cc
+++ b/src/ball.cc
@@ -51,22 +51,21 @@ void Ball::launch_ball(Paddle *ai_paddle) {
 }
 
 void Ball::bounces_off(Paddle *paddle) {
-    if (paddle == nullptr)
-        return;
+    if (paddle == nullptr) return;
 
-        hits++;
+    hits++;
 
-        int sign = (paddle->get_x() < Pong::SCREEN_WIDTH/2) ? 1 : -1;
+    int sign = (paddle->get_x() < Pong::SCREEN_WIDTH/2) ? 1 : -1;
 
-        int relative_y = (y - paddle->get_y() + LENGTH);
+    int relative_y = (y - paddle->get_y() + LENGTH);
 
-        angle = (2.14f * relative_y - 75.0f);
+    angle = (2.14f * relative_y - 75.0f);
 
-        // Convert angle to radian, find its cos() and multiply by the speed.
-        dx = sign*speed*std::cos(angle*M_PI/180.0f);
+    // Convert angle to radian, find its cos() and multiply by the speed.
+    dx = sign*speed*std::cos(angle*M_PI/180.0f);
 
-        // Convert angle to radina, find its sin() and multiply by the speed.
-        dy = speed*std::sin(angle*M_PI/180.0f);
+    // Convert angle to radina, find its sin() and multiply by the speed.
+    dy = speed*std::sin(angle*M_PI/180.0f);
 }
 
 void Ball::update_speed() {