Fix #6594: Fix typo in PrimeFlex doc (#6597)

Author: melloware

components/doc/chart/combodoc.js

@@ -248,7 +248,7 @@ export default function ComboDemo() {
         <>
             <DocSectionText {...props}>
                 <p>
-                    Different chart types can be combined in the same graph usign the <i>type</i> option of a dataset.
+                    Different chart types can be combined in the same graph using the <i>type</i> option of a dataset.
                 </p>
             </DocSectionText>
             <div className="card">

components/doc/theming/primeflexdoc.js

@@ -18,7 +18,7 @@ export function PrimeFlexDoc(props) {
             <DocSectionText {...props}>
                 <p>
                     <a href="https://primeflex.org">PrimeFlex</a> is a lightweight responsive CSS utility library to accompany Prime UI libraries and static webpages as well. PrimeReact can be used with any CSS utility library like bootstrap and
-                    tailwind however PrimeFlex has benefits like integration with PrimeReact themes usign CSS variables so that colors classes e.g. <i>bg-blue-500</i> receive the color code from the PrimeReact theme being used. PrimeReact follows the
+                    tailwind however PrimeFlex has benefits like integration with PrimeReact themes using CSS variables so that colors classes e.g. <i>bg-blue-500</i> receive the color code from the PrimeReact theme being used. PrimeReact follows the
                     CSS utility approach of PrimeFlex and currently does not provide an extended style property like <i>sx</i>. Same approach is also utilized in <a href="https://blocks.primereact.org">PrimeBlocks for PrimeReact</a> project as well.
                 </p>