fix doc comments for notify_using

src/pal/pal_free_bsd_kernel.h

@@ -36,7 +36,7 @@ namespace snmalloc
       kmem_unback(kernel_object, addr, size);
     }
 
-    /// Notify platform that we will not be using these pages
+    /// Notify platform that we will be using these pages
     template<ZeroMem zero_mem>
     void notify_using(void* p, size_t size)
     {

src/pal/pal_freebsd.h

@@ -27,7 +27,7 @@ namespace snmalloc
       madvise(p, size, MADV_FREE);
     }
 
-    /// Notify platform that we will not be using these pages
+    /// Notify platform that we will be using these pages
     template<ZeroMem zero_mem>
     void notify_using(void* p, size_t size) noexcept
     {

src/pal/pal_linux.h

@@ -29,7 +29,7 @@ namespace snmalloc
       UNUSED(size);
     }
 
-    /// Notify platform that we will not be using these pages
+    /// Notify platform that we will be using these pages
     template<ZeroMem zero_mem>
     void notify_using(void* p, size_t size) noexcept
     {

src/pal/pal_windows.h

@@ -30,7 +30,7 @@ namespace snmalloc
         error("VirtualFree failed");
     }
 
-    /// Notify platform that we will not be using these pages
+    /// Notify platform that we will be using these pages
     template<ZeroMem zero_mem>
     void notify_using(void* p, size_t size) noexcept
     {
@@ -108,4 +108,4 @@ namespace snmalloc
     }
   };
 }
-#endif
+#endif