diff --git a/docs/ignore.md b/docs/ignore.md
index 05ef8e60..d4b3a7db 100644
--- a/docs/ignore.md
+++ b/docs/ignore.md
@@ -7,7 +7,7 @@ Prettier offers an escape hatch to ignore a block of code or prevent entire file
 
 ## Ignoring Files
 
-To exclude files from formatting, add entries to a `.prettierignore` file in the project root or set the [`--ignore-path` CLI option](cli.md#ignore-path).
+To exclude files from formatting, add entries to a `.prettierignore` file in the project root or set the [`--ignore-path` CLI option](cli.md#ignore-path). `.prettierignore` uses [gitignore syntax](https://git-scm.com/docs/gitignore#_pattern_format).
 
 ## JavaScript