fix typo on up_udelay

diff --git a/os/arch/arm/src/common/up_udelay.c b/os/arch/arm/src/common/up_udelay.c
index b0b84ea..d6169e3 100644 (file)
--- a/os/arch/arm/src/common/up_udelay.c
+++ b/os/arch/arm/src/common/up_udelay.c
@@ -92,7 +92,7 @@
  * Description:
  *   Delay inline for the requested number of microseconds.  NOTE:  Because
  *   of all of the setup, several microseconds will be lost before the actual
- *   timing looop begins.  Thus, the delay will always be a few microseconds
+ *   timing loop begins.  Thus, the delay will always be a few microseconds
  *   longer than requested.
  *
  *   *** NOT multi-tasking friendly ***