diff --git a/include/oox/core/xmlfilterbase.hxx b/include/oox/core/xmlfilterbase.hxx
index 8778e941dfa0..01b867d9f135 100644
--- a/include/oox/core/xmlfilterbase.hxx
+++ b/include/oox/core/xmlfilterbase.hxx
@@ -225,7 +225,7 @@ public:
 
     void SetMaxDocId(sal_Int32 maxDocId) { mnMaxDocId = maxDocId; }
 
-    /** Write the document properties into into the current OPC package.
+    /** Write the document properties into the current OPC package.
 
         @param xProperties  The document properties to export.
      */
diff --git a/include/osl/file.hxx b/include/osl/file.hxx
index f2d7da539a47..8cfded475327 100644
--- a/include/osl/file.hxx
+++ b/include/osl/file.hxx
@@ -132,9 +132,9 @@ public:
         return static_cast< RC >( osl_getCanonicalName( ustrRequestedURL.pData, &ustrValidURL.pData ) );
     }
 
-    /** Convert a path relative to a given directory into an full qualified file URL.
+    /** Convert a path relative to a given directory into a fully qualified file URL.
 
-        Convert a path relative to a given directory into an full qualified file URL.
+        Convert a path relative to a given directory into a fully qualified file URL.
         The function resolves symbolic links if possible and path ellipses, so on success
         the resulting absolute path is fully resolved.
 
@@ -147,7 +147,7 @@ public:
         If ustrRelativeFileURL denotes an absolute path ustrBaseDirectoryURL will be ignored.
 
         @param[out] ustrAbsoluteFileURL
-        On success it receives the full qualified absolute file URL.
+        On success it receives the fully qualified absolute file URL.
 
         @retval E_None on success
         @retval E_INVAL the format of the parameters was not valid
diff --git a/include/sal/types.h b/include/sal/types.h
index 8e6acb634c4b..3bd5b8fb2cea 100644
--- a/include/sal/types.h
+++ b/include/sal/types.h
@@ -689,7 +689,7 @@ template< typename T1, typename T2 > inline T1 static_int_cast(T2 n) {
 /** Annotate pointer-returning functions to indicate that such a pointer
     is never nullptr.
 
-    Note that MSVC supports this feature via it's SAL _Ret_notnull_
+    Note that MSVC supports this feature via its SAL _Ret_notnull_
     annotation, but since it's in a completely different place on
     the function declaration, it's a little hard to support both.