change links in count sections

Author: lindseymoore

source/read.txt

@@ -100,7 +100,7 @@ a collection:
    :dedent:
 
 To learn more about the ``countDocuments()`` method, see the
-:ref:`php-accurate-count` section in the Count Documents guide.
+:ref:`php-count-all` section in the Count Documents guide.
 
 Count Documents Returned from a Query
 -------------------------------------
@@ -115,7 +115,7 @@ that match the specified criteria:
    :dedent:
 
 To learn more about the ``countDocuments()`` method, see the
-:ref:`php-accurate-count` section in the Count Documents guide.
+:ref:`php-count-specific` section in the Count Documents guide.
 
 Estimated Document Count
 ------------------------

source/read/count.txt

@@ -58,6 +58,8 @@ pass a query filter to the ``countDocuments()`` method.
 
 To learn more about specifying a query, see the :ref:`php-specify-query` guide.
 
+.. _php-count-all:
+
 Count All Documents
 ~~~~~~~~~~~~~~~~~~~
 
@@ -78,6 +80,8 @@ the ``countDocuments()`` method, as shown in the following example:
 
       Number of documents: 9500
 
+.. _php-count-specific:
+
 Count Specific Documents
 ~~~~~~~~~~~~~~~~~~~~~~~~