diff --git a/src/gui_athena.c b/src/gui_athena.c
index 155509d..3620e65 100644
--- a/src/gui_athena.c
+++ b/src/gui_athena.c
@@ -900,7 +900,7 @@
 	{
 	    XtUnmanageChild(id);
 	    XtVaSetValues(id, XtNfontSet, gui.menu_fontset, NULL);
-	    /* We should force the widget to recalculate it's
+	    /* We should force the widget to recalculate its
 	     * geometry now. */
 	    XtManageChild(id);
 	}
@@ -929,7 +929,7 @@
 	if (has_submenu(id))
 	    XtVaSetValues(id, XtNrightBitmap, pullerBitmap, NULL);
 
-	/* Force the widget to recalculate it's geometry now. */
+	/* Force the widget to recalculate its geometry now. */
 	if (managed)
 	    XtManageChild(id);
     }
@@ -989,7 +989,7 @@
 	}
     }
     /* Now, to simulate the window being resized.  Only, this
-     * will resize the window to it's current state.
+     * will resize the window to its current state.
      *
      * There has to be a better way, but I do not see one at this time.
      * (David Harrison)
@@ -1071,7 +1071,7 @@
 		}
 
 # ifdef FEAT_BEVAL_GUI
-		/* If we have a tooltip, then we need to change it's colors */
+		/* If we have a tooltip, then we need to change its colors */
 		if (mp->tip != NULL)
 		{
 		    Arg args[2];
@@ -1089,7 +1089,7 @@
 	    {
 		gui_athena_menu_font(mp->id);
 #ifdef FEAT_BEVAL_GUI
-		/* If we have a tooltip, then we need to change it's font */
+		/* If we have a tooltip, then we need to change its font */
 		/* Assume XtNinternational == True (in createBalloonEvalWindow)
 		 */
 		if (mp->tip != NULL)
@@ -1552,7 +1552,7 @@
 	 * This is a hack to stop the Athena simpleMenuWidget from getting a
 	 * BadValue error when a menu's last child is destroyed. We check to
 	 * see if this is the last child and if so, don't delete it. The parent
-	 * will be deleted soon anyway, and it will delete it's children like
+	 * will be deleted soon anyway, and it will delete its children like
 	 * all good widgets do.
 	 */
 	/* NOTE: The cause of the BadValue X Protocol Error is because when the