diff --git a/Source/Swig/cwrap.c b/Source/Swig/cwrap.c
index 36d207050..b7d01bc11 100644
--- a/Source/Swig/cwrap.c
+++ b/Source/Swig/cwrap.c
@@ -15,7 +15,7 @@
 #include "swig.h"
 #include "cparse.h"
 
-extern int UseWrapperSuffix; // from main.cxx
+extern int UseWrapperSuffix;
 
 static const char *cresult_variable_name = "result";
 
diff --git a/Source/Swig/misc.c b/Source/Swig/misc.c
index 18c29f76a..7d1119c5e 100644
--- a/Source/Swig/misc.c
+++ b/Source/Swig/misc.c
@@ -81,7 +81,7 @@ String *Swig_package_version_hex(void) {
     count++;
   }
   Delete(package_version);
-  assert(count == 3); // Check version format is correct
+  assert(count == 3); /* Check version format is correct */
   return vers;
 }