diff --git a/graf2d/postscript/src/TPDF.cxx b/graf2d/postscript/src/TPDF.cxx
index 9ee88a6e8db716a31e046f2355a3c008b35fac0d..7b27e3827f62ce52545b0e4e94cf8a9d7cf3c383 100644
--- a/graf2d/postscript/src/TPDF.cxx
+++ b/graf2d/postscript/src/TPDF.cxx
@@ -14,7 +14,7 @@
 /* Begin_Html
 <center><h2>TPDF: Graphics interface to PDF</h2></center>
 Like PostScript, PDF is a vector graphics output format allowing a very high
-graphics output quality. The functionnalities provided by this class are very
+graphics output quality. The functionalities provided by this class are very
 similar to those provided by <tt>TPostScript</tt>.
 <p>
 Compare to PostScript output, the PDF files are usually smaller because some
@@ -2338,7 +2338,7 @@ void TPDF::Text(Double_t xx, Double_t yy, const char *chars)
    // Restore text attributes.
    saveAttText.TAttText::Modify();
 
-   // Ouput the text. Escape some characters if needed
+   // Output the text. Escape some characters if needed
    if (kerning) PrintStr(" [");
    else         PrintStr(" (");
 
diff --git a/graf2d/postscript/src/TPostScript.cxx b/graf2d/postscript/src/TPostScript.cxx
index fb55a29cbc66306496f7f2dd1321b5b00a6a9026..7b659c325f903ac9a3a8e410a28e01577bcbb894 100644
--- a/graf2d/postscript/src/TPostScript.cxx
+++ b/graf2d/postscript/src/TPostScript.cxx
@@ -1646,7 +1646,7 @@ void TPostScript::FontEmbed(void)
 //______________________________________________________________________________
 void TPostScript::FontEncode()
 {
-   // Font Reencoding
+   // Font Re-encoding
 
    PrintStr("/reEncode ");
    PrintStr("{exch findfont");
@@ -1816,7 +1816,7 @@ void TPostScript::Initialize()
 
    if( fMode == 3)PrintStr("80 dict begin@");
 
-   // Initialization of PostScript procedures
+   // Initialisation of PostScript procedures
    PrintStr("/s {stroke} def /l {lineto} def /m {moveto} def /t {translate} def@");
    PrintStr("/r {rotate} def /rl {roll}  def /R {repeat} def@");
    PrintStr("/d {rlineto} def /rm {rmoveto} def /gr {grestore} def /f {eofill} def@");