diff --git a/src/fmt/doc.go b/src/fmt/doc.go
index 4a095557344c0..a7bd02b627f62 100644
--- a/src/fmt/doc.go
+++ b/src/fmt/doc.go
@@ -125,7 +125,7 @@
 			put spaces between bytes printing strings or slices in hex (% x, % X)
 		0	pad with leading zeros rather than spaces;
 			for numbers, this moves the padding after the sign;
-                        ignored for strings, byte slices and byte arrays
+			ignored for strings, byte slices and byte arrays
 
 	Flags are ignored by verbs that do not expect them.
 	For example there is no alternate decimal format, so %#d and %d