diff --git a/all.sas b/all.sas
index 37de39c..651a10c 100644
--- a/all.sas
+++ b/all.sas
@@ -13766,7 +13766,7 @@ alter table &libds modify &var char(&len);
 %end;
 %else %if &rule=ISNUM %then %do;
   /*
-    credit SØREN LASSEN
+    credit SOREN LASSEN
     https://sasmacro.blogspot.com/2009/06/welcome-isnum-macro.html
   */
   &tempcol=input(&incol,?? best32.);
diff --git a/base/mp_validatecol.sas b/base/mp_validatecol.sas
index a6e150c..4b85f30 100644
--- a/base/mp_validatecol.sas
+++ b/base/mp_validatecol.sas
@@ -57,7 +57,7 @@
 %end;
 %else %if &rule=ISNUM %then %do;
   /*
-    credit SØREN LASSEN
+    credit SOREN LASSEN
     https://sasmacro.blogspot.com/2009/06/welcome-isnum-macro.html
   */
   &tempcol=input(&incol,?? best32.);