Fix typos

Change-Id: I0d45e4d6ece2ece63fe209126f05113969cda7fb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210176
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Jenkins

sal/qa/rtl/math/test-std-math.cxx

@@ -25,8 +25,8 @@
 
 /*
 In tdf#148430, we try to replace rtl math functions with std functions,
-this unit test is to demonstrate this replacement will not change
-the behavior of code and no other unexpected results.
+this unit test is to demonstrate that this replacement will not change
+the behavior of the code and produce no unexpected results.
 
 You can see more discussions in https://gerrit.libreoffice.org/c/core/+/138294.
 */

sc/inc/dociter.hxx

@@ -281,7 +281,7 @@ public:
     const ScPatternAttr*    GetNext( SCCOL& rCol1, SCCOL& rCol2, SCROW& rRow1, SCROW& rRow2 );
 };
 
-class ScHorizontalCellIterator      // walk through all non empty cells in an area
+class ScHorizontalCellIterator      // walk through all non-empty cells in an area
 {                                   // row by row
     struct ColParam
     {

sc/inc/document.hxx

@@ -274,15 +274,15 @@ enum ScDocumentMode
 
 enum CommentCaptionState
 {
-    ALLSHOWN,                   // All comments captions are shown
-    ALLHIDDEN,                  // All comments captions are hidden
-    MIXED                       // There are comments in shown and hidden.
+    ALLSHOWN,                   // All comment captions are shown
+    ALLHIDDEN,                  // All comment captions are hidden
+    MIXED                       // There are comments in shown and hidden states.
 };
 
 enum RangeNameScope
 {
     GLOBAL,                    // A range name can be defined
-    SHEET                      // with two scope on Manage Names dialog.
+    SHEET                      // with two scopes on Manage Names dialog.
 };
 
 /// Represents the type of sheet geometry data.