diff --git a/filter/source/xslt/import/spreadsheetml/adorowset2ods.xsl b/filter/source/xslt/import/spreadsheetml/adorowset2ods.xsl
index 727dd1df150a..0d36494d27d3 100644
--- a/filter/source/xslt/import/spreadsheetml/adorowset2ods.xsl
+++ b/filter/source/xslt/import/spreadsheetml/adorowset2ods.xsl
@@ -151,7 +151,7 @@
       <xsl:otherwise>string</xsl:otherwise>
     </xsl:choose>
   </xsl:template>
-  <!-- An utility to convert a column number (e.g. 27; 1-based) to column name (like AA) -->
+  <!-- A utility to convert a column number (e.g. 27; 1-based) to column name (like AA) -->
   <xsl:template name="ColNum2Name">
     <xsl:param name="num"/>
     <xsl:if test="$num > 0">
@@ -188,7 +188,7 @@
       </xsl:choose>
     </xsl:if>
   </xsl:template>
-  <!-- An utility to convert a cell address (e.g. row 2, column 27) to cell name (like AA2) -->
+  <!-- A utility to convert a cell address (e.g. row 2, column 27) to cell name (like AA2) -->
   <xsl:template name="CellName">
     <xsl:param name="rowNum"/>
     <xsl:param name="colNum"/>
@@ -197,7 +197,7 @@
     </xsl:call-template>
     <xsl:value-of select="$rowNum"/>
   </xsl:template>
-  <!-- An utility to convert a range given in terms of numbers (e.g. row 1, column 1 to row 2, column 27) to range name (like A1:AA2) -->
+  <!-- A utility to convert a range given in terms of numbers (e.g. row 1, column 1 to row 2, column 27) to range name (like A1:AA2) -->
   <xsl:template name="RangeName">
     <xsl:param name="rowStartNum"/>
     <xsl:param name="colStartNum"/>
@@ -213,4 +213,4 @@
       <xsl:with-param name="colNum" select="$colEndNum"/>
     </xsl:call-template>
   </xsl:template>
-</xsl:stylesheet>
\ No newline at end of file
+</xsl:stylesheet>
diff --git a/include/tools/urlobj.hxx b/include/tools/urlobj.hxx
index eb3b961c204b..869b79e94cc4 100644
--- a/include/tools/urlobj.hxx
+++ b/include/tools/urlobj.hxx
@@ -398,7 +398,7 @@ public:
      */
     static OUString GetScheme(INetProtocol eTheScheme);
 
-    /** Return the a human-readable name for a given scheme.
+    /** Return the human-readable name for a given scheme.
 
         @param eTheScheme  One of the supported URL schemes.
 
diff --git a/include/ucbhelper/resultsetmetadata.hxx b/include/ucbhelper/resultsetmetadata.hxx
index 3a11d8f99468..5842ee1e56d1 100644
--- a/include/ucbhelper/resultsetmetadata.hxx
+++ b/include/ucbhelper/resultsetmetadata.hxx
@@ -313,7 +313,7 @@ public:
       *
       * @param  column is the number of the column for that a value shall
       *         be returned. The first column is 1, the second is 2, ...
-      * @return true, if the column is definetely not writable.
+      * @return true, if the column is definitely not writable.
       */
     virtual sal_Bool SAL_CALL
     isReadOnly( sal_Int32 column ) override;
@@ -331,7 +331,7 @@ public:
       *
       * @param  column is the number of the column for that a value shall
       *         be returned. The first column is 1, the second is 2, ...
-      * @return true, if a write on the column will definetely succeed.
+      * @return true, if a write on the column will definitely succeed.
       */
     virtual sal_Bool SAL_CALL
     isDefinitelyWritable( sal_Int32 column ) override;
diff --git a/include/unotools/accessiblestatesethelper.hxx b/include/unotools/accessiblestatesethelper.hxx
index 1e6ae7bc0c56..0093e618a0af 100644
--- a/include/unotools/accessiblestatesethelper.hxx
+++ b/include/unotools/accessiblestatesethelper.hxx
@@ -125,7 +125,7 @@ public:
     virtual css::uno::Sequence< css::uno::Type> SAL_CALL
         getTypes() override;
 
-    /** Returns a implementation id.
+    /** Returns an implementation id.
     */
     virtual css::uno::Sequence<sal_Int8> SAL_CALL
         getImplementationId() override;
diff --git a/include/unotools/confignode.hxx b/include/unotools/confignode.hxx
index bde22e9ff04b..2f223b8998c9 100644
--- a/include/unotools/confignode.hxx
+++ b/include/unotools/confignode.hxx
@@ -174,7 +174,7 @@ namespace utl
 
     //= OConfigurationTreeRoot
 
-    /** a specialized version of a OConfigurationNode, representing the root
+    /** a specialized version of an OConfigurationNode, representing the root
         of a configuration sub tree<p/>
         Only this class is able to commit any changes made any any OConfigurationNode
         objects.
@@ -253,7 +253,7 @@ namespace utl
 
         /** tolerant version of the <member>createWithServiceFactory</member>
 
-            <p>No assertions are thrown in case of an failure to initialize the configuration service, but once
+            <p>No assertions are thrown in case of a failure to initialize the configuration service, but once
             the configuration could be initialized, errors in the creation of the specific node (e.g. because the
             given node path does not exist) are still asserted.</p>
         */
diff --git a/include/unotools/mediadescriptor.hxx b/include/unotools/mediadescriptor.hxx
index b568bd770f3a..6a826ce309ac 100644
--- a/include/unotools/mediadescriptor.hxx
+++ b/include/unotools/mediadescriptor.hxx
@@ -39,7 +39,7 @@ namespace utl {
 /** @short  can be used to work with a css::document::MediaDescriptor
             struct.
 
-    @descr  It wraps a unordered_map around the Sequence< css::beans::PropertyValue >, which
+    @descr  It wraps an unordered_map around the Sequence< css::beans::PropertyValue >, which
             represent the MediaDescriptor item.
             Further this helper defines often used functions (as e.g. open of the required streams,
             consistent checks etcpp.) and it defines all usable property names.
diff --git a/include/unotools/wincodepage.hxx b/include/unotools/wincodepage.hxx
index f106a0f1760f..f3a6aee97ad3 100644
--- a/include/unotools/wincodepage.hxx
+++ b/include/unotools/wincodepage.hxx
@@ -13,7 +13,7 @@
 #include <unotools/unotoolsdllapi.h>
 #include <rtl/textenc.h>
 
-/** Map from a ISO-639 language code (and optionally ISO-3166 country/region code)
+/** Map from an ISO-639 language code (and optionally ISO-3166 country/region code)
 to a text encoding of corresponding Windows ANSI or OEM codepage.
 
 @param pLanguage
diff --git a/include/vcl/fmtfield.hxx b/include/vcl/fmtfield.hxx
index 287146a62e6f..c2c3bb7d619b 100644
--- a/include/vcl/fmtfield.hxx
+++ b/include/vcl/fmtfield.hxx
@@ -120,7 +120,7 @@ public:
 
     bool    IsEmptyFieldEnabled() const         { return m_bEnableEmptyField; }
     void    EnableEmptyField(bool bEnable);
-    // If disabled, the value will be resetted to the last valid value on leave
+    // If disabled, the value will be reset to the last valid value on leave
 
     void    SetDefaultValue(double dDefault)    { m_dDefaultValue = dDefault; m_ValueState = valueDirty; }
     // If the current String is invalid, GetValue() returns this value