diff --git a/src/northbridge/amd/pi/00630F01/northbridge.c b/src/northbridge/amd/pi/00630F01/northbridge.c
index b55b23c702..2295cd6abc 100644
--- a/src/northbridge/amd/pi/00630F01/northbridge.c
+++ b/src/northbridge/amd/pi/00630F01/northbridge.c
@@ -860,7 +860,7 @@ static void cpu_bus_scan(struct device *dev)
 			u32 lapicid_start = 0;
 
 			/*
-			 * APIC ID calucation is tightly coupled with AGESA v5 code.
+			 * APIC ID calculation is tightly coupled with AGESA v5 code.
 			 * This calculation MUST match the assignment calculation done
 			 * in LocalApicInitializationAtEarly() function.
 			 * And reference GetLocalApicIdForCore()
diff --git a/src/northbridge/amd/pi/00660F01/northbridge.c b/src/northbridge/amd/pi/00660F01/northbridge.c
index 7dc338ef5d..16b5734a49 100644
--- a/src/northbridge/amd/pi/00660F01/northbridge.c
+++ b/src/northbridge/amd/pi/00660F01/northbridge.c
@@ -645,7 +645,7 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void)
 			base_k = ((resource_t)(d.base & 0x1fffff00)) <<9;
 			if (base_k > 4 *1024 * 1024) break; // don't need to go to check
 			if (limitk_pri != base_k) { // we find the hole
-				mem_hole.hole_startk = (unsigned int)limitk_pri; // must beblow 4G
+				mem_hole.hole_startk = (unsigned int)limitk_pri; // must be below 4G
 				mem_hole.node_id = i;
 				break; //only one hole
 			}
@@ -858,7 +858,7 @@ static void cpu_bus_scan(struct device *dev)
 			u32 lapicid_start = 0;
 
 			/*
-			 * APIC ID calucation is tightly coupled with AGESA v5 code.
+			 * APIC ID calculation is tightly coupled with AGESA v5 code.
 			 * This calculation MUST match the assignment calculation done
 			 * in LocalApicInitializationAtEarly() function.
 			 * And reference GetLocalApicIdForCore()
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index 8da3f0af91..e5a75e8b80 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -869,7 +869,7 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void)
 			base_k = ((resource_t)(d.base & 0x1fffff00)) <<9;
 			if (base_k > 4 *1024 * 1024) break; // don't need to go to check
 			if (limitk_pri != base_k) { // we find the hole
-				mem_hole.hole_startk = (unsigned int)limitk_pri; // must beblow 4G
+				mem_hole.hole_startk = (unsigned int)limitk_pri; // must be below 4G
 				mem_hole.node_id = i;
 				break; //only one hole
 			}
@@ -1097,7 +1097,7 @@ static void cpu_bus_scan(struct device *dev)
 			u32 lapicid_start = 0;
 
 			/*
-			 * APIC ID calucation is tightly coupled with AGESA v5 code.
+			 * APIC ID calculation is tightly coupled with AGESA v5 code.
 			 * This calculation MUST match the assignment calculation done
 			 * in LocalApicInitializationAtEarly() function.
 			 * And reference GetLocalApicIdForCore()