diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index b9c5a4f..03e6dbd 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -842,7 +842,7 @@
 
 		/*
 		 * Override GLK xhci clock gating register(XHCLKGTEN) to
-		 * mitigate usb device suspend and resume failure.
+		 * mitigate USB device suspend and resume failure.
 		 */
 		if (CONFIG(SOC_INTEL_GLK)) {
 			uint32_t *cfg;