Update lua_bytecode_reference.rst

readthedocs/lua_bytecode_reference.rst

@@ -98,7 +98,7 @@ Thus upon entry to a function ``base`` is always the location of the first fixed
   R(A+3)                               CI->base  [ fixed arg 1 ]   CI->base [ local 1    ]
   R(A+4)                                         [ local 1     ]
                                         
-Results returned by the function call is placed in a range of registers starting from R(A). If C is 1, no return results are saved. If C is 2 or more, (C-1) return values are saved. If C is 0, then multiple return results are saved. In this case the number of values to save is determined by one of following ways:
+Results returned by the function call are placed in a range of registers starting from R(A). If C is 1, no return results are saved. If C is 2 or more, (C-1) return values are saved. If C is 0, then multiple return results are saved. In this case the number of values to save is determined by one of following ways:
 
 * A C function returns an integer value indicating number of results returned so for C function calls
   this is used (see the value of ``n`` passed to `luaD_poscall() <http://www.lua.org/source/5.3/ldo.c.html#luaD_poscall>`_ in `luaD_precall() <http://www.lua.org/source/5.3/ldo.c.html#luaD_precall>`_)