ZIPs 205 and 208: wording tweak.

Co-authored-by: teor <teor@riseup.net>

zip-0205.html

@@ -62,7 +62,7 @@
             <section id="change-to-difficulty-adjustment-on-testnet"><h3><span class="section-heading">Change to difficulty adjustment on Testnet</span><span class="section-anchor"> <a rel="bookmark" href="#change-to-difficulty-adjustment-on-testnet"><img width="24" height="24" src="assets/images/section-anchor.png" alt=""></a></span></h3>
                 <p>Section 7.6.3 of the Zcash Protocol Specification <a id="id10" class="footnote_reference" href="#protocol-diffadjustment">5</a> describes the algorithm used to adjust the difficulty of a block (defined in terms of a "target threshold") based on the <code>nTime</code> and <code>nBits</code> fields of preceding blocks.</p>
                 <p>This algorithm changed on Testnet, starting from block 299188, to allow "minimum-difficulty" blocks. If the block time of a block from this height onward is greater than 15 minutes after that of the preceding block, then the block is a minimum-difficulty block. In that case its <code>nBits</code> field MUST be set to ToCompact(PoWLimit), where PoWLimit is the value defined for Testnet in section 5.3 of the Zcash Protocol Specification <a id="id11" class="footnote_reference" href="#protocol-constants">4</a>, and ToCompact is as defined in section 7.6.4 of that specification <a id="id12" class="footnote_reference" href="#protocol-nbits">6</a>.</p>
-                <p>Note: a previous revision of this ZIP incorrectly said that only the target threshold of minimum-difficulty blocks is affected. In fact the <code>nBits</code> field is as well, and this affects difficulty adjustment for subsequent blocks.</p>
+                <p>Note: a previous revision of this ZIP incorrectly said that only the target threshold of minimum-difficulty blocks is affected. In fact the <code>nBits</code> field is modified as well, and this affects difficulty adjustment for subsequent blocks.</p>
                 <p>This change does not affect Mainnet.</p>
             </section>
         </section>

zip-0205.rst

@@ -113,7 +113,7 @@ defined in section 7.6.4 of that specification [#protocol-nbits]_.
 
 Note: a previous revision of this ZIP incorrectly said that only the target
 threshold of minimum-difficulty blocks is affected. In fact the ``nBits`` field
-is as well, and this affects difficulty adjustment for subsequent blocks.
+is modified as well, and this affects difficulty adjustment for subsequent blocks.
 
 This change does not affect Mainnet.
 

zip-0208.html

@@ -113,7 +113,7 @@
                 <section id="minimum-difficulty-blocks-on-testnet"><h4><span class="section-heading">Minimum difficulty blocks on Testnet</span><span class="section-anchor"> <a rel="bookmark" href="#minimum-difficulty-blocks-on-testnet"><img width="24" height="24" src="assets/images/section-anchor.png" alt=""></a></span></h4>
                     <p>On Testnet from block height 299188 onward, the difficulty adjustment algorithm <a id="id10" class="footnote_reference" href="#protocol-diffadjustment">6</a> allows minimum-difficulty blocks, as described in <a id="id11" class="footnote_reference" href="#zip-0205">10</a>, when the block time is greater than a given threshold. This specification changes this threshold to be proportional to the block target spacing.</p>
                     <p>That is, if the block time of a block at height <em>height</em> ≥ 299188 is greater than 6 · PoWTargetSpacing(<em>height</em>) seconds after that of the preceding block, then the block is a minimum-difficulty block. In that case its <code>nBits</code> field MUST be set to ToCompact(PoWLimit), where PoWLimit is the value defined for Testnet in section 5.3 of the Zcash Protocol Specification <a id="id12" class="footnote_reference" href="#protocol-constants">5</a>, and ToCompact is as defined in section 7.6.4 of that specification <a id="id13" class="footnote_reference" href="#protocol-nbits">7</a>.</p>
-                    <p>Note: a previous revision of this ZIP (and <a id="id14" class="footnote_reference" href="#zip-0205">10</a>) incorrectly said that only the target threshold of minimum-difficulty blocks is affected. In fact the <code>nBits</code> field is as well, and this affects difficulty adjustment for subsequent blocks.</p>
+                    <p>Note: a previous revision of this ZIP (and <a id="id14" class="footnote_reference" href="#zip-0205">10</a>) incorrectly said that only the target threshold of minimum-difficulty blocks is affected. In fact the <code>nBits</code> field is modified as well, and this affects difficulty adjustment for subsequent blocks.</p>
                     <p>This change does not affect Mainnet.</p>
                 </section>
             </section>

zip-0208.rst

@@ -197,8 +197,8 @@ ToCompact is as defined in section 7.6.4 of that specification [#protocol-nbits]
 
 Note: a previous revision of this ZIP (and [#zip-0205]_) incorrectly said that
 only the target threshold of minimum-difficulty blocks is affected. In fact
-the ``nBits`` field is as well, and this affects difficulty adjustment for
-subsequent blocks.
+the ``nBits`` field is modified as well, and this affects difficulty adjustment
+for subsequent blocks.
 
 This change does not affect Mainnet.