Minor comment fixes.

R=adamk@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2394173002
Cr-Commit-Position: refs/heads/master@{#40069}

include/v8.h

@@ -3542,7 +3542,7 @@ class PropertyCallbackInfo {
   /**
    * \return The receiver. In many cases, this is the object on which the
    * property access was intercepted. When using
-   * `Reflect.Get`, `Function.prototype.call`, or similar functions, it is the
+   * `Reflect.get`, `Function.prototype.call`, or similar functions, it is the
    * object passed in as receiver or thisArg.
    *
    * \code
@@ -3607,7 +3607,7 @@ class PropertyCallbackInfo {
    * \return True if the intercepted function should throw if an error occurs.
    * Usually, `true` corresponds to `'use strict'`.
    *
-   * \note Always `false` when intercepting `Reflect.Set()`
+   * \note Always `false` when intercepting `Reflect.set()`
    * independent of the language mode.
    */
   V8_INLINE bool ShouldThrowOnError() const;

src/objects.h

@@ -7296,7 +7296,7 @@ class SharedFunctionInfo: public HeapObject {
   inline String* inferred_name();
   inline void set_inferred_name(String* inferred_name);
 
-  // [script info]: Script from which the function originates.
+  // [script]: Script from which the function originates.
   DECL_ACCESSORS(script, Object)
 
   // [num_literals]: Number of literals used by this function.