1 files changed, 3 insertions, 3 deletions
diff --git a/BaseTools/Source/C/Common/BasePeCoff.c b/BaseTools/Source/C/Common/BasePeCoff.c
index d5cefbd0b0..9112d0131c 100644
--- a/BaseTools/Source/C/Common/BasePeCoff.c
+++ b/BaseTools/Source/C/Common/BasePeCoff.c
@@ -217,7 +217,7 @@ Returns:
       ImageContext->ImageType != EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER && \
       ImageContext->ImageType != EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER) {
     //
-    // upsupported PeImage subsystem type
+    // unsupported PeImage subsystem type
     //
     return RETURN_UNSUPPORTED;
   }
@@ -483,7 +483,7 @@ Returns:
       // In Te image header there is not a field to describe the ImageSize.
       // Actually, the ImageSize equals the RVA plus the VirtualSize of
       // the last section mapped into memory (Must be rounded up to
-      // a mulitple of Section Alignment). Per the PE/COFF specification, the
+      // a multiple of Section Alignment). Per the PE/COFF specification, the
       // section headers in the Section Table must appear in order of the RVA
       // values for the corresponding sections. So the ImageSize can be determined
       // by the RVA and the VirtualSize of the last section header in the
@@ -1315,7 +1315,7 @@ PeCoffLoaderGetPdbPointer (
       break;
     default:
       //
-      // For unknow Machine field, use Magic in optional Header
+      // For unknown Machine field, use Magic in optional Header
       //
       Magic = Hdr.Pe32->OptionalHeader.Magic;
     }