diff --git a/utils/slither_format/.gitignore b/utils/slither_format/.gitignore
index c51eb4dee..f5478e79f 100644
--- a/utils/slither_format/.gitignore
+++ b/utils/slither_format/.gitignore
@@ -1 +1,9 @@
+# .format files are the output files produced by slither-format
 *.format
+
+# Temporary files (Emacs backup files ending in tilde and others)
+*~
+
+
+
+