diff --git a/1.3.md b/1.3.md
index 32fbd5ed..22105bc2 100644
--- a/1.3.md
+++ b/1.3.md
@@ -5,6 +5,12 @@
 - You no longer need to set the font_width value, your font size<br \>
 is now calculated by fetch.
 - Image sizing now takes terminal height into account.
+- `--size` now also takes a percentage as a value, for example.
+
+```sh
+# Image takes up 70% of the terminal size.
+fetch --size 70%
+```
 
 ### OS
 
diff --git a/config/config b/config/config
index 322c3126..da451036 100644
--- a/config/config
+++ b/config/config
@@ -269,7 +269,7 @@ crop_offset="center"
 
 # Image size
 # The image is half the terminal width by default.
-# --size auto, px
+# --size auto, px, 00%
 image_size="auto"
 
 # Right gap between image and text
diff --git a/fetch b/fetch
index 5002df95..35625bff 100755
--- a/fetch
+++ b/fetch
@@ -287,7 +287,7 @@ crop_offset="center"
 
 # Image size
 # The image is half the terminal width by default.
-# --size auto, px
+# --size auto, px, 00%
 image_size="auto"
 
 # Right gap between image and text