diff --git a/builtin/difftool.c b/builtin/difftool.c
index 1a415a15a3..a9d6553f72 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -558,7 +558,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
 	}
 
 	/*
-	 * Symbolic links require special treatment.The standard "git diff"
+	 * Symbolic links require special treatment. The standard "git diff"
 	 * shows only the link itself, not the contents of the link target.
 	 * This loop replicates that behavior.
 	 */