Fix comments.

Change-Id: Ife256a2523b6513bfb5e051a099583db2060b3ba
diff --git a/src/fdt_handler.c b/src/fdt_handler.c
index aaf193e..4a93e66 100644
--- a/src/fdt_handler.c
+++ b/src/fdt_handler.c
@@ -79,7 +79,7 @@
 }
 
 /**
- * Finds the memory region where initrd is stored, and udpates the fdt node
+ * Finds the memory region where initrd is stored, and updates the fdt node
  * cursor to the node called "chosen".
  */
 static bool find_initrd(struct fdt_node *n, struct boot_params *p)
diff --git a/src/fdt_test.cc b/src/fdt_test.cc
index cb0d14c..6d55242 100644
--- a/src/fdt_test.cc
+++ b/src/fdt_test.cc
@@ -29,7 +29,7 @@
  * };
  *
  * $ dtc --boot-cpu 0 --in-format dts --out-format dtb --out-version 17 test.dts
- * | xxd
+ * | xxd -i
  */
 
 static const uint8_t test_dtb[] = {