diff --git a/.gitignore b/.gitignore
index f7acfe7..9e73495 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,13 @@
+# Exclude the executable
 trmnl_sdl
+
+# Exclude configuration files
 *.json
+
+# Exclude images
+*.bmp
+*.jpg
 *.png
+
+# Exclude fonts
 *.ttf
diff --git a/README.md b/README.md
index baf8183..fea8c48 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Controls image resizing. **String** type. Has several options:
 * stretch - Image is scaled (with possible stretching) to fully fill the box
 
 ### TextFit
-Controls automatic change the text size depending on contents. **String** type. Has several options:
+Controls the automatic change of the text size depending on contents. **String** type. Has several options:
 * none - Text is not changed in any way
 * shrink - Renders text with desired size and shrinks it to fit if contents are too large
 * auto - Renders text with desired size and enlarges/shrinks it to fit if contents are too small/large
@@ -90,6 +90,8 @@ Renders an image with optional scaling
 | halign | HAlign |      | center  | Horizontal alignment of the image |
 | valign | VAlign |      | center  | Vertical alignment of the image |
 
+Supported image formats: **JPG**, **PNG**, **BMP**
+
 ### rect
 Renders a rectangle with optional rounded corners using either fill or internal stroke.
 | Name | Type | Required | Default | Description |