another double-check

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/CallMethodViaReflection.scala

@@ -49,7 +49,7 @@ import org.apache.spark.util.Utils
     Arguments:
       class - a string literal that represents a fully-qualified class name.
       method - a string literal that represents a method name.
-      arg - a string literal that represents arguments for the method.
+      arg - an expression of any type that represents arguments for the method.
 
     Examples:
       > SELECT _FUNC_('java.util.UUID', 'randomUUID');

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/bitwiseExpressions.scala

@@ -30,8 +30,8 @@ import org.apache.spark.sql.types._
   usage = "expr1 _FUNC_ expr2 - Bitwise AND.",
   extended = """
     Arguments:
-      expr1 - a integral numeric expression.
-      expr2 - a integral numeric expression.
+      expr1 - an integral numeric expression.
+      expr2 - an integral numeric expression.
 
     Examples:
       > SELECT 3 _FUNC_ 5;
@@ -66,8 +66,8 @@ case class BitwiseAnd(left: Expression, right: Expression) extends BinaryArithme
   usage = "expr1 _FUNC_ expr2 - Bitwise OR.",
   extended = """
     Arguments:
-      expr1 - a integral numeric expression.
-      expr2 - a integral numeric expression.
+      expr1 - an integral numeric expression.
+      expr2 - an integral numeric expression.
 
     Examples:
       > SELECT 3 _FUNC_ 5;
@@ -102,8 +102,8 @@ case class BitwiseOr(left: Expression, right: Expression) extends BinaryArithmet
   usage = "expr1 _FUNC_ expr2 - Bitwise exclusive OR.",
   extended = """
     Arguments:
-      expr1 - a integral numeric expression.
-      expr2 - a integral numeric expression.
+      expr1 - an integral numeric expression.
+      expr2 - an integral numeric expression.
 
     Examples:
       > SELECT 3 _FUNC_ 5;
@@ -136,7 +136,7 @@ case class BitwiseXor(left: Expression, right: Expression) extends BinaryArithme
   usage = "_FUNC_ expr - Bitwise NOT.",
   extended = """
     Arguments:
-      expr - a integral numeric expression.
+      expr - an integral numeric expression.
 
     Examples:
       > SELECT _FUNC_ 0;

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/mathExpressions.scala

@@ -889,8 +889,8 @@ case class Pow(left: Expression, right: Expression)
   usage = "_FUNC_(base, expr) - Bitwise left shift.",
   extended = """
     Arguments:
-      base - a integral numeric expression that defines the base number to shift.
-      expr - a integral numeric expression.
+      base - an integral numeric expression that defines the base number to shift.
+      expr - an integral numeric expression.
 
     Examples:
       > SELECT _FUNC_(2, 1);
@@ -927,8 +927,8 @@ case class ShiftLeft(left: Expression, right: Expression)
   usage = "_FUNC_(base, expr) - Bitwise (signed) right shift.",
   extended = """
     Arguments:
-      base - a integral numeric expression that defines the base number to shift.
-      expr - a integral numeric expression.
+      base - an integral numeric expression that defines the base number to shift.
+      expr - an integral numeric expression.
 
     Examples:
       > SELECT _FUNC_(4, 1);
@@ -965,8 +965,8 @@ case class ShiftRight(left: Expression, right: Expression)
   usage = "_FUNC_(base, expr) - Bitwise unsigned right shift.",
   extended = """
     Arguments:
-      base - a integral numeric expression that defines the base number to shift.
-      expr - a integral numeric expression.
+      base - an integral numeric expression that defines the base number to shift.
+      expr - an integral numeric expression.
 
     Examples:
       > SELECT _FUNC_(4, 1);

sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala

@@ -1499,8 +1499,8 @@ class DDLSuite extends QueryTest with SharedSQLContext with BeforeAndAfterEach {
         Row(
           """Extended Usage:
             |    Arguments:
-            |      expr1 - a integral numeric expression.
-            |      expr2 - a integral numeric expression.
+            |      expr1 - an integral numeric expression.
+            |      expr2 - an integral numeric expression.
             |
             |    Examples:
             |      > SELECT 3 ^ 5;