Refine prose about limits

Author: inexorabletash

index.bs

@@ -1478,7 +1478,7 @@ for records inserted into an object store if not otherwise specified.
 
 A [=key generator=] has a <dfn>current number</dfn>. The
 [=key generator/current number=] is always a positive integer less
-than or equal to 2<sup>53</sup> (9007199254740992). The initial value
+than or equal to 2<sup>53</sup> (9007199254740992) + 1. The initial value
 of a [=key generator=]'s [=key generator/current number=] is 1, set
 when the associated [=/object store=] is created. The
 [=key generator/current number=] is incremented as keys are generated,
@@ -1577,12 +1577,12 @@ be updated.
 </aside>
 
 When the [=key generator/current number=] of a key generator reaches above the
-value 2<sup>53</sup> (9007199254740992) any attempts to use the
+value 2<sup>53</sup> (9007199254740992) any subsequent attempts to use the
 key generator to generate a new [=/key=] will result in a
 "{{ConstraintError}}" {{DOMException}}. It is still possible to insert
 [=object-store/records=] into the object store by specifying an explicit
-key, however the only way to use a key generator again for the
-object store is to delete the object store and create a new one.
+key, however the only way to use a key generator again for such records
+is to delete the object store and create a new one.
 
 <aside class=note>
   This limit arises because integers greater than 9007199254740992

index.html

@@ -1455,7 +1455,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="http://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2016/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Indexed Database API 2.0</h1>
-   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2017-03-06">6 March 2017</time></span></h2>
+   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2017-03-07">7 March 2017</time></span></h2>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -2626,7 +2626,7 @@ <h3 class="heading settled" data-level="2.11" id="key-generator-construct"><span
 for records inserted into an object store if not otherwise specified.</p>
    <div>
     <p>A <a data-link-type="dfn" href="#key-generator" id="ref-for-key-generator-3">key generator</a> has a <dfn class="dfn-paneled" data-dfn-for="key generator" data-dfn-type="dfn" data-noexport="" id="key-generator-current-number">current number</dfn>. The <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-1">current number</a> is always a positive integer less
-than or equal to 2<sup>53</sup> (9007199254740992). The initial value
+than or equal to 2<sup>53</sup> (9007199254740992) + 1. The initial value
 of a <a data-link-type="dfn" href="#key-generator" id="ref-for-key-generator-4">key generator</a>'s <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-2">current number</a> is 1, set
 when the associated <a data-link-type="dfn" href="#object-store" id="ref-for-object-store-40">object store</a> is created. The <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-3">current number</a> is incremented as keys are generated,
 and may be updated to a specific value by using explicit keys.</p>
@@ -2702,11 +2702,11 @@ <h3 class="heading settled" data-level="2.11" id="key-generator-construct"><span
   number</a> of the key generator. Keys of <a data-link-type="dfn" href="#key-type" id="ref-for-key-type-7">type</a> <i>number</i> with <a data-link-type="dfn" href="#key-value" id="ref-for-key-value-5">value</a> less than 1 do not affect the <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-16">current number</a> since they are always lower than the <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-17">current number</a>.</p>
    </aside>
    <p>When the <a data-link-type="dfn" href="#key-generator-current-number" id="ref-for-key-generator-current-number-18">current number</a> of a key generator reaches above the
-value 2<sup>53</sup> (9007199254740992) any attempts to use the
+value 2<sup>53</sup> (9007199254740992) any subsequent attempts to use the
 key generator to generate a new <a data-link-type="dfn" href="#key" id="ref-for-key-39">key</a> will result in a
 "<code class="idl"><a data-link-type="idl" href="https://heycam.github.io/webidl/#constrainterror">ConstraintError</a></code>" <code class="idl"><a data-link-type="idl" href="https://heycam.github.io/webidl/#dfn-DOMException">DOMException</a></code>. It is still possible to insert <a data-link-type="dfn" href="#object-store-record" id="ref-for-object-store-record-24">records</a> into the object store by specifying an explicit
-key, however the only way to use a key generator again for the
-object store is to delete the object store and create a new one.</p>
+key, however the only way to use a key generator again for such records
+is to delete the object store and create a new one.</p>
    <aside class="note">
      This limit arises because integers greater than 9007199254740992
   cannot be uniquely represented as ECMAScript <a data-link-type="dfn" href="https://tc39.github.io/ecma262/#sec-terms-and-definitions-number-type">Numbers</a>.