diff --git a/doc/user/databases.xml b/doc/user/databases.xml
index 788243afeed7adaa0a1fc843b04b0eaf4f85314c..12b1617da634e7a008943ca5fbe9609facd3e7d8 100644
--- a/doc/user/databases.xml
+++ b/doc/user/databases.xml
@@ -826,7 +826,7 @@ tarantool> <userinput>box.space.tester:delete('a')</userinput>
 
     <varlistentry>
         <term>
-            <emphasis role="lua">box.space.<replaceable>space-name</replaceable>.field_count</emphasis>
+            <emphasis role="lua" xml:id="box.space.field_count">box.space.<replaceable>space-name</replaceable>.field_count</emphasis>
         </term>
         <listitem>
             <para>
@@ -3221,32 +3221,31 @@ box.space.payroll:select{'Jones'}</programlisting>
 <title>Limitations</title>
 
 <variablelist>
-
+ 
   <varlistentry>
     <term xml:id="limitations-index-field-count" xreflabel="limitations-index-field-count">Number of fields in an index</term>
     <listitem><para>For BITSET indexes, the maximum is 1.
-    For TREE indexes, the theoretical maximum is about 4 billion (BOX_FIELD_MAX)
-    but the practical maximum is the number of fields in a tuple.
+    For TREE or HASH indexes, the maximum is 255 (box.schema.INDEX_PART_MAX).
     </para></listitem>
   </varlistentry>
-  
+
   <varlistentry>
     <term xml:id="limitations-index-count" xreflabel="limitations-index-count">Number of indexes in a space</term>
-    <listitem><para>10 (BOX_INDEX_MAX).
+    <listitem><para>10 (box.schema.INDEX_MAX).
     </para></listitem>
   </varlistentry>
 
   <varlistentry>
     <term xml:id="limitations-tuple-field-count" xreflabel="limitations-tuple-field-count">Number of fields in a tuple</term>
-    <listitem><para>There is no theoretical maximum.
-    The practical maximum is whatever is specified by the space's <code>field_count</code> member,
+    <listitem><para>The theoretical maximum is 2147483647 (box.schema.FIELD_MAX).
+    The practical maximum is whatever is specified by the space's <link linkend="box.space.field_count">field_count</link> member,
     or the maximum tuple length.
     </para></listitem>
   </varlistentry>
-  
+
   <varlistentry>
     <term xml:id="limitations-space-count" xreflabel="limitations-space-count">Number of spaces</term>
-    <listitem><para>65535.
+    <listitem><para>The theoretical maximum is 2147483647 (box.schema.SPACE_MAX).
     </para></listitem>
   </varlistentry>
 
@@ -3278,7 +3277,7 @@ box.space.payroll:select{'Jones'}</programlisting>
   
   <varlistentry>
     <term xml:id="limitations-name-length" xreflabel="limitations-name-length">Length of an index name or space name or user name</term>
-    <listitem><para>32.
+    <listitem><para>32 (box.schema.NAME_MAX).
     </para></listitem>
   </varlistentry>