diff --git a/chart2/source/view/charttypes/VSeriesPlotter.cxx b/chart2/source/view/charttypes/VSeriesPlotter.cxx
index 299ce8e4a2c9..5c8a870747a4 100644
--- a/chart2/source/view/charttypes/VSeriesPlotter.cxx
+++ b/chart2/source/view/charttypes/VSeriesPlotter.cxx
@@ -1949,7 +1949,7 @@ public:
         rfMax = std::numeric_limits<double>::lowest();
 
         /**
-         * For each, X value, calculate Y value range
+         * For each X value, calculate Y value range
          */
         for (auto const& it : m_SeriesGroup)
         {
@@ -2225,7 +2225,7 @@ OUString VSeriesPlotter::getCategoryName( sal_Int32 nPointIndex ) const
 }
 
 namespace {
-// The following it to support rendering order for combo charts. A chart type
+// The following is to support rendering order for combo charts. A chart type
 // with a lower rendering order is rendered before (i.e., behind) a chart with a
 // higher rendering order. The rendering orders are based on rough guesses about
 // how much one chart (type) will obscure another chart (type). The intent is to
diff --git a/cli_ure/source/uno_bridge/cli_bridge.h b/cli_ure/source/uno_bridge/cli_bridge.h
index e11bced796c8..8a0a7d35e810 100644
--- a/cli_ure/source/uno_bridge/cli_bridge.h
+++ b/cli_ure/source/uno_bridge/cli_bridge.h
@@ -51,7 +51,7 @@ static Cli_environment ^ g_cli_env = nullptr;
 };
 
 
-/** An instance of Bridge represents exactly one mapping therefore either
+/** An instance of Bridge represents exactly one mapping, therefore either
     m_cli2uno or m_uno2cli is valid.
 */
 struct Bridge
diff --git a/comphelper/source/misc/instancelocker.cxx b/comphelper/source/misc/instancelocker.cxx
index ded80414d3e3..905daf581b3b 100644
--- a/comphelper/source/misc/instancelocker.cxx
+++ b/comphelper/source/misc/instancelocker.cxx
@@ -150,7 +150,7 @@ void SAL_CALL OInstanceLocker::initialize( const uno::Sequence< uno::Any >& aArg
 
         if ( nLen == 3 && !( aArguments[2] >>= xApproval ) )
             throw lang::IllegalArgumentException(
-                    u"If the third argument is provided, it must be XActionsApproval implementation!"_ustr,
+                    u"If the third argument is provided, it must be an XActionsApproval implementation!"_ustr,
                     uno::Reference< uno::XInterface >(),
                     0 );