diff --git a/usermods/TetrisAI_v2/rating.h b/usermods/TetrisAI_v2/rating.h
index 4504ff468..88320818e 100644
--- a/usermods/TetrisAI_v2/rating.h
+++ b/usermods/TetrisAI_v2/rating.h
@@ -32,7 +32,7 @@ public:
     uint8_t fullLines;
     uint16_t bumpiness;
     uint16_t aggregatedHeight;
-    double score;
+    float score;
     uint8_t width;
     std::vector<uint8_t> lineHights;
 
@@ -57,7 +57,7 @@ public:
         this->fullLines = 0;
         this->bumpiness = 0;
         this->aggregatedHeight = 0;
-        this->score = -DBL_MAX;
+        this->score = -FLT_MAX;
     }
 };
 
diff --git a/usermods/TetrisAI_v2/readme.md b/usermods/TetrisAI_v2/readme.md
index b21bc5fde..62b2da1c8 100644
--- a/usermods/TetrisAI_v2/readme.md
+++ b/usermods/TetrisAI_v2/readme.md
@@ -10,7 +10,7 @@ Just activate the usermod with `-D USERMOD_TETRISAI` and the effect will become
 
 ## Usage
 
-It is best to set the background color to black, the border color to light grey and the game over color (foreground) to dark grey.
+It is best to set the background color to black 🖤, the border color to light grey 🤍, the game over color (foreground) to dark grey 🩶, and color palette to 'Rainbow' 🌈.
 
 ### Sliders and boxes
 
diff --git a/usermods/TetrisAI_v2/tetrisai.h b/usermods/TetrisAI_v2/tetrisai.h
index 690489f82..ba4fe60e4 100644
--- a/usermods/TetrisAI_v2/tetrisai.h
+++ b/usermods/TetrisAI_v2/tetrisai.h
@@ -107,7 +107,7 @@ public:
         rating->score = (aHeight * (rating->aggregatedHeight)) + (fullLines * (rating->fullLines)) + (holes * (rating->holes)) + (bumpiness * (rating->bumpiness));
     }
 
-    TetrisAI(): TetrisAI(-0.510066, 0.760666, -0.35663, -0.184483)
+    TetrisAI(): TetrisAI(-0.510066f, 0.760666f, -0.35663f, -0.184483f)
     {}
 
     TetrisAI(float aHeight, float fullLines, float holes, float bumpiness):
@@ -178,9 +178,9 @@ public:
                 if(findWorstMove)
                 {
                     //init rating for worst
-                    if(bestRating->score == -DBL_MAX)
+                    if(bestRating->score == -FLT_MAX)
                     {
-                        bestRating->score = DBL_MAX;
+                        bestRating->score = FLT_MAX;
                     }
 
                     // update if we found a worse one
diff --git a/usermods/TetrisAI_v2/usermod_v2_tetrisai.h b/usermods/TetrisAI_v2/usermod_v2_tetrisai.h
index 6c5a3737c..587fa9a36 100644
--- a/usermods/TetrisAI_v2/usermod_v2_tetrisai.h
+++ b/usermods/TetrisAI_v2/usermod_v2_tetrisai.h
@@ -155,7 +155,7 @@ uint16_t mode_2DTetrisAI()
   if (tetrisai_data->intelligence != SEGMENT.custom1)
   {
     tetrisai_data->intelligence = SEGMENT.custom1;
-    float dui = 0.2 - (0.2 * (tetrisai_data->intelligence / 255.0));
+    float dui = 0.2f - (0.2f * (tetrisai_data->intelligence / 255.0f));
 
     tetrisai_data->tetris.ai.aHeight = -0.510066f + dui;
     tetrisai_data->tetris.ai.fullLines = 0.760666f - dui;