[clang-format][doc] Fix a typo.

Author: owenca

clang/docs/ClangFormatStyleOptions.rst

@@ -1484,7 +1484,7 @@ the configuration (without a prefix: ``Auto``).
   * ``OAS_AlignAfterOperator`` (in configuration: ``AlignAfterOperator``)
     Horizontally align operands of binary and ternary expressions.
 
-    This is similar to ``AO_Align``, except when
+    This is similar to ``OAS_Align``, except when
     ``BreakBeforeBinaryOperators`` is set, the operator is un-indented so
     that the wrapped operand is aligned with the operand on the first line.
 

clang/include/clang/Format/Format.h

@@ -533,7 +533,7 @@ struct FormatStyle {
     OAS_Align,
     /// Horizontally align operands of binary and ternary expressions.
     ///
-    /// This is similar to ``AO_Align``, except when
+    /// This is similar to ``OAS_Align``, except when
     /// ``BreakBeforeBinaryOperators`` is set, the operator is un-indented so
     /// that the wrapped operand is aligned with the operand on the first line.
     /// \code