Fix typos

Change-Id: I67528f2e3ff8d1aa0a7b2d4ab8dcb6777ea7542a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210221
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

xmloff/source/text/XMLTextListAutoStylePool.cxx

@@ -103,8 +103,8 @@ XMLTextListAutoStylePoolEntry_Impl::XMLTextListAutoStylePoolEntry_Impl(
         bIsNamed = true;
     }
 
-    // create a name that hasn't been used before. The created name has not
-    // to be added to the array, because it will never be tried again
+    // create a name that hasn't been used before. The created name does not
+    // have to be added to the array, because it will never be tried again
     do
     {
         rName++;

xmloff/source/text/txtftne.cxx

@@ -18,7 +18,7 @@
  */
 
 
-/** @#file
+/** @file
  *
  * This file implements XMLTextParagraphExport methods to export
  * - footnotes

xmloff/source/text/txtimp.cxx

@@ -2228,7 +2228,7 @@ void XMLTextImportHelper::ConnectFrameChains(
             i = m_xImpl->m_xPrevFrmNames->erase(i);
             j = m_xImpl->m_xNextFrmNames->erase(j);
 
-            // There cannot be more than one previous frames
+            // There cannot be more than one previous frame
             break;
         }
     }