diff --git a/4.3-Prune-timeframe-examples.md b/4.3-Prune-timeframe-examples.md
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--- a/4.3-Prune-timeframe-examples.md
+++ b/4.3-Prune-timeframe-examples.md
@@ -1,4 +1,4 @@
-# Prune timeframe examples
+# prune timeframe examples
 
 The [borg documentation](https://borgbackup.readthedocs.io/en/stable/usage/prune.html) outlines timeframes pretty well, but since you're already here, I'll give you a few examples to get you started. The default configuration file includes this line as an example and pretty decent default value: