diff --git a/README.md b/README.md
index e911850..756b62b 100644
--- a/README.md
+++ b/README.md
@@ -1741,7 +1741,7 @@ shutil.rmtree(<path>)               # Deletes the directory.
 <int>  = <pipe>.close()             # Returns None if last command exited with returncode 0.
 ```
 
-#### Sends '1 + 1' to the basic calculator and captures its output:
+#### Sends "1 + 1" to the basic calculator and captures its output:
 ```python
 >>> subprocess.run('bc', input='1 + 1\n', capture_output=True, text=True)
 CompletedProcess(args='bc', returncode=0, stdout='2\n', stderr='')
@@ -1910,7 +1910,7 @@ with <conn>:                                   # Exits the block with commit() o
 ### Placeholders
 ```python
 <conn>.execute('<query>', <list/tuple>)        # Replaces every question mark with an item.
-<conn>.execute('<query>', <dict/namedtuple>)   # Replaces every :<key> with value.
+<conn>.execute('<query>', <dict/namedtuple>)   # Replaces every :<key> with a value.
 <conn>.executemany('<query>', <coll_of_coll>)  # Runs execute() multiple times.
 ```
 * **Passed values can be of type str, int, float, bytes, None, or bool (stored as 1 or 0).**
@@ -1999,8 +1999,8 @@ Struct
 ```python
 from struct import pack, unpack
 
-<bytes> = pack('<format>', <num_1> [, ...])  # Packs numbers according to format string.
-<tuple> = unpack('<format>', <bytes>)        # Use iter_unpack() to get iterator of tuples.
+<bytes> = pack('<format>', <el_1> [, ...])  # Packs numbers according to format string.
+<tuple> = unpack('<format>', <bytes>)       # Use iter_unpack() to get iterator of tuples.
 ```
 
 ```python
diff --git a/index.html b/index.html
index ef71033..02786fc 100644
--- a/index.html
+++ b/index.html
@@ -1473,7 +1473,7 @@ shutil.rmtree(&lt;path&gt;)               <span class="hljs-comment"># Deletes t
 &lt;int&gt;  = &lt;pipe&gt;.close()             <span class="hljs-comment"># Returns None if last command exited with returncode 0.</span>
 </code></pre></div>
 
-<div><h4 id="sends11tothebasiccalculatorandcapturesitsoutput">Sends '1 + 1' to the basic calculator and captures its output:</h4><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span>subprocess.run(<span class="hljs-string">'bc'</span>, input=<span class="hljs-string">'1 + 1\n'</span>, capture_output=<span class="hljs-keyword">True</span>, text=<span class="hljs-keyword">True</span>)
+<div><h4 id="sends11tothebasiccalculatorandcapturesitsoutput">Sends "1 + 1" to the basic calculator and captures its output:</h4><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span>subprocess.run(<span class="hljs-string">'bc'</span>, input=<span class="hljs-string">'1 + 1\n'</span>, capture_output=<span class="hljs-keyword">True</span>, text=<span class="hljs-keyword">True</span>)
 CompletedProcess(args=<span class="hljs-string">'bc'</span>, returncode=<span class="hljs-number">0</span>, stdout=<span class="hljs-string">'2\n'</span>, stderr=<span class="hljs-string">''</span>)
 </code></pre></div>
 
@@ -1597,7 +1597,7 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
 </code></pre></div>
 
 <div><h3 id="placeholders">Placeholders</h3><pre><code class="python language-python hljs">&lt;conn&gt;.execute(<span class="hljs-string">'&lt;query&gt;'</span>, &lt;list/tuple&gt;)        <span class="hljs-comment"># Replaces every question mark with an item.</span>
-&lt;conn&gt;.execute(<span class="hljs-string">'&lt;query&gt;'</span>, &lt;dict/namedtuple&gt;)   <span class="hljs-comment"># Replaces every :&lt;key&gt; with value.</span>
+&lt;conn&gt;.execute(<span class="hljs-string">'&lt;query&gt;'</span>, &lt;dict/namedtuple&gt;)   <span class="hljs-comment"># Replaces every :&lt;key&gt; with a value.</span>
 &lt;conn&gt;.executemany(<span class="hljs-string">'&lt;query&gt;'</span>, &lt;coll_of_coll&gt;)  <span class="hljs-comment"># Runs execute() multiple times.</span>
 </code></pre></div>
 
@@ -1665,8 +1665,8 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
 <li><strong>System’s type sizes, byte order, and alignment rules are used by default.</strong></li>
 </ul><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> struct <span class="hljs-keyword">import</span> pack, unpack
 
-&lt;bytes&gt; = pack(<span class="hljs-string">'&lt;format&gt;'</span>, &lt;num_1&gt; [, ...])  <span class="hljs-comment"># Packs numbers according to format string.</span>
-&lt;tuple&gt; = unpack(<span class="hljs-string">'&lt;format&gt;'</span>, &lt;bytes&gt;)        <span class="hljs-comment"># Use iter_unpack() to get iterator of tuples.</span>
+&lt;bytes&gt; = pack(<span class="hljs-string">'&lt;format&gt;'</span>, &lt;el_1&gt; [, ...])  <span class="hljs-comment"># Packs numbers according to format string.</span>
+&lt;tuple&gt; = unpack(<span class="hljs-string">'&lt;format&gt;'</span>, &lt;bytes&gt;)       <span class="hljs-comment"># Use iter_unpack() to get iterator of tuples.</span>
 </code></pre></div>