diff --git a/Source/cmELF.cxx b/Source/cmELF.cxx
index 353f2e95a..bc1c25ba1 100644
--- a/Source/cmELF.cxx
+++ b/Source/cmELF.cxx
@@ -181,7 +181,7 @@ struct cmELFTypes32
   static const char* GetName() { return "32-bit"; }
 };
 
-// Configure the implementation template for 32-bit ELF files.
+// Configure the implementation template for 64-bit ELF files.
 struct cmELFTypes64
 {
   typedef Elf64_Ehdr ELF_Ehdr;