diff --git a/xdocs/changes.xml b/xdocs/changes.xml
index 29f294a0b1d..1bf93350240 100644
--- a/xdocs/changes.xml
+++ b/xdocs/changes.xml
@@ -160,6 +160,7 @@ to view the last release notes of version 5.2.1.
 <h3>Documentation</h3>
 <ul>
   <li><pr>547</pr>Correct Log level documentation. Contributed by jmetertea</li>
+  <li><pr>548</pr>Correct typos in documentation. Contributed by jmetertea</li>
   <li><bug>64022</bug>Correct Chinese translation for "Ignore Sub-Controller blocks". Provided by yangxiaofei77 (yangxiaofei77 at gmail.com)</li>
 </ul>
 
diff --git a/xdocs/usermanual/component_reference.xml b/xdocs/usermanual/component_reference.xml
index 750d22ba12b..186116d2ca8 100644
--- a/xdocs/usermanual/component_reference.xml
+++ b/xdocs/usermanual/component_reference.xml
@@ -3979,7 +3979,7 @@ instead. (see figures 12 and 13).</p>
         See <a href="https://commons.apache.org/proper/commons-dbcp/api-2.1.1/org/apache/commons/dbcp2/BasicDataSource.html#getTimeBetweenEvictionRunsMillis--" >BasicDataSource.html#getTimeBetweenEvictionRunsMillis</a></property>
         <property name="Auto Commit" required="Yes">Turn auto commit on or off for the connections.</property>
         <property name="Transaction isolation" required="Yes">Transaction isolation level</property>
-        <property name="Preinit Pool" required="No">The connection pool can be intialized instantly. If set to <code>False</code> (default), the JDBC request samplers using this pool might measure higher response times for the first queries – as the connection establishment time for the whole pool is included.</property>
+        <property name="Preinit Pool" required="No">The connection pool can be initialized instantly. If set to <code>False</code> (default), the JDBC request samplers using this pool might measure higher response times for the first queries – as the connection establishment time for the whole pool is included.</property>
         <property name="Init SQL statements separated by new line" required="No">A Collection of SQL statements that will be used to initialize physical connections when they are first created. These statements are executed only once - when the configured connection factory creates the connection. </property>
         <property name="Test While Idle" required="Yes">Test idle connections of the pool, see <a href="https://commons.apache.org/proper/commons-dbcp/api-2.1.1/org/apache/commons/dbcp2/BasicDataSource.html#getTestWhileIdle--">BasicDataSource.html#getTestWhileIdle</a>. 
         Validation Query will be used to test it.</property>
@@ -4148,7 +4148,7 @@ and <code>javax.net.ssl.keyStore</code> to <code>NONE</code>.</p>
 
 <properties>
   <property name="Name" required="No">Descriptive name for this element that is shown in the tree. </property>
-  <property name="Preload" required="Yes">Wether or not to preload Keystore. Setting it to <code>true</code> is usually the best option.</property>
+  <property name="Preload" required="Yes">Whether or not to preload Keystore. Setting it to <code>true</code> is usually the best option.</property>
   <property name="Variable name holding certificate alias" required="False">Variable name that will contain the alias to use for authentication by client certificate. Variable value will be filled from CSV Data Set for example. In the screenshot, "<code>certificat_ssl</code>" will also be a variable in CSV Data Set. Defaults to <code>clientCertAliasVarName</code></property>
   <property name="Alias Start Index" required="Yes">The index of the first key to use in Keystore, 0-based.</property>
   <property name="Alias End Index" required="Yes">The index of the last key to use in Keystore, 0-based. When using "<code>Variable name holding certificate alias</code>" ensure it is large enough so that all keys are loaded at startup. Default to -1 which means load all.</property>
@@ -6427,7 +6427,7 @@ Behaviour can be modified with some properties by setting in user.properties:
 <li><code>testplan_validation.nb_threads_per_thread_group</code> : Number of threads to use to validate a Thread Group, by default 1</li>
 <li><code>testplan_validation.ignore_timers</code> : Ignore timers when validating the thread group of plan, by default 1</li>
 <li><code>testplan_validation.number_iterations</code> : Number of iterations to use to validate a Thread Group</li>
-<li><code>testplan_validation.tpc_force_100_pct</code> : Wether to force Throughput Controller in percentage mode to run as if percentage was 100%. Defaults to false</li>
+<li><code>testplan_validation.tpc_force_100_pct</code> : Whether to force Throughput Controller in percentage mode to run as if percentage was 100%. Defaults to false</li>
 </ul> 
 </p>