Fix CalciteResource.properties

Signed-off-by: Mihai Budiu <mbudiu@feldera.com>
diff --git a/core/src/main/resources/org/apache/calcite/runtime/CalciteResource.properties b/core/src/main/resources/org/apache/calcite/runtime/CalciteResource.properties
index 10aae01..d429440 100644
--- a/core/src/main/resources/org/apache/calcite/runtime/CalciteResource.properties
+++ b/core/src/main/resources/org/apache/calcite/runtime/CalciteResource.properties
@@ -45,7 +45,8 @@
 ArrayIndexOutOfBounds=Array index {0,number,#} is out of bounds
 IllegalFromEmpty=''FROM'' without operands preceding it is illegal
 IllegalRowExpression=ROW expression encountered in illegal context
-IllegalColon=Illegal identifier '':''. Was expecting ''VALUE''
+IllegalColon=Unexpected symbol '':''. Was expecting ''VALUE''
+IllegalComma=Unexpected symbol '',''. Was expecting ''VALUE''
 InvalidSampleSize=TABLESAMPLE percentage must be between 0 and 100, inclusive
 UnknownCharacterSet=Unknown character set ''{0}''
 CharsetEncoding=Failed to encode ''{0}'' in character set ''{1}''