Fix some comments

Signed-off-by: Stefan Weil <sw@weilnetz.de>

src/ccmain/pgedit.cpp

@@ -114,7 +114,7 @@ CMD_EVENTS mode = CHANGE_DISP_CMD_EVENT;  // selected words op
 bool recog_done = false;                  // recog_all_words was called
 
 // These variables should remain global, since they are only used for the
-// debug mode (in which only a single Tesseract thread/instance will be exist).
+// debug mode (in which only a single Tesseract thread/instance will exist).
 BITS16 word_display_mode;
 static ColorationMode color_mode = CM_RAINBOW;
 BOOL8 display_image = FALSE;

src/ccutil/params.h

@@ -246,8 +246,8 @@ class DoubleParam : public Param {
 //
 // To avoid the problem of undetermined order of static initialization
 // global_params are accessed through the GlobalParams function that
-// initializes the static pointer to global_params only on the first
-// first time GlobalParams() is called.
+// initializes the static pointer to global_params only on the first time
+// GlobalParams() is called.
 //
 // TODO(daria): remove GlobalParams() when all global Tesseract
 // parameters are converted to members.