tweak comments

2 files changed, 7 insertions, 5 deletions

diff --git a/progs/xdemos/pbdemo.c b/progs/xdemos/pbdemo.c
index 9bce5699a2..bc9d8124c8 100644
--- a/progs/xdemos/pbdemo.c
+++ b/progs/xdemos/pbdemo.c
@@ -51,12 +51,16 @@ static int gWidth, gHeight;
 
 /*
  * Create the pbuffer and return a GLXPbufferSGIX handle.
+ *
+ * We loop over a list of fbconfigs trying to create
+ * a pixel buffer.  We return the first pixel buffer which we successfully
+ * create.
  */
 static GLXPbufferSGIX
 MakePbuffer( Display *dpy, int screen, int width, int height )
 {
 #define NUM_FB_CONFIGS 4
-   char fbString[NUM_FB_CONFIGS][100] = {
+   const char fbString[NUM_FB_CONFIGS][100] = {
       "Single Buffered, depth buffer",
       "Double Buffered, depth buffer",
       "Single Buffered, no depth buffer",
diff --git a/progs/xdemos/pbutil.c b/progs/xdemos/pbutil.c
index 1daa95def6..0dd4b409f4 100644
--- a/progs/xdemos/pbutil.c
+++ b/progs/xdemos/pbutil.c
@@ -184,10 +184,8 @@ static int HandleXError( Display *dpy, XErrorEvent *event )
 
 
 /*
- * Create a pixel buffer.  We loop over the list of fbconfigs trying to create
- * a pixel buffer.  We return the first pixel buffer which we successfully
- * create.  This function hides the ugliness of dealing with BadAlloc X
- * protocol errors.
+ * Create a Pbuffer.  Use an X error handler to deal with potential
+ * BadAlloc errors.
  *
  * Input:  dpy - the X display
  *         fbConfig - an FBConfig as returned by glXChooseFBConfigSGIX().