[2980] Changes as a result for the first part of the review

src/lib/hooks/callout_handle.cc

@@ -52,12 +52,12 @@ CalloutHandle::~CalloutHandle() {
     context_collection_.clear();
 
     // Normal destruction of the remaining variables will include the
-    // destruction of lm_collection_, wn action that will decrement the
-    // reference count on the library manager collection (which holds the
-    // libraries that could have allocated memory in the argument and context
-    // members).  When that goes to zero, the libraries will be unloaded:
-    // at that point nothing in the hooks framework will be pointing to memory
-    // in the libraries' address space.
+    // destruction of lm_collection_, an action that decrements the reference
+    // count on the library manager collection (which holds the libraries that
+    // could have allocated memory in the argument and context members.)  When
+    // that goes to zero, the libraries will be unloaded: at that point nothing
+    // in the hooks framework will be pointing to memory in the libraries'
+    // address space.
     //
     // It is possible that some other data structure in the server (the program
     // using the hooks library) still references the address space and attempts

src/lib/hooks/callout_handle.h

@@ -80,11 +80,11 @@ class LibraryManagerCollection;
 ///   "context_destroy" callout.  The information is accessed through the
 ///   {get,set}Context() methods.
 ///
-/// - Per-library handle.  Allows the callout to dynamically register and
-///   deregister callouts. (In the latter case, only functions registered by
-///   functions in the same library as the callout doing the deregistration
-///   can be removed: callouts registered by other libraries cannot be
-///   modified.)
+/// - Per-library handle (LibraryHandle). The library handle allows the
+///   callout to dynamically register and deregister callouts. In the latter
+///   case, only functions registered by functions in the same library as the
+///   callout doing the deregistration can be removed: callouts registered by
+///   other libraries cannot be modified.
 
 class CalloutHandle {
 public:

src/lib/hooks/server_hooks.h

@@ -151,7 +151,7 @@ private:
     ///
     /// Constructor is declared private to enforce the singleton nature of
     /// the object.  A reference to the singleton is obtainable through the
-    /// ggetServerHooks() static method.
+    /// getServerHooks() static method.
     ///
     /// @throws isc::Unexpected if the registration of the pre-defined hooks
     ///         fails in some way.