Minor tweaks

Author: javiereguiluz

components/string.rst

@@ -386,10 +386,10 @@ objects::
     u('さよなら')->ascii(); // 'sayonara'
     u('спасибо')->ascii(); // 'spasibo'
 
-    // returns the value of the code point stored at the given position
+    // returns an array with the code point or points stored at the given position
     // (code points of 'नमस्ते' graphemes = [2344, 2350, 2360, 2340]
-    u('नमस्ते')->codePointsAt(0); // 2344
-    u('नमस्ते')->codePointsAt(2); // 2360
+    u('नमस्ते')->codePointsAt(0); // [2344]
+    u('नमस्ते')->codePointsAt(2); // [2360]
 
 `Unicode equivalence`_ is the specification by the Unicode standard that
 different sequences of code points represent the same character. For example,