Fix spelling/wording issues

Found by using:
    codespell --builtin clear,rare,usage,informal,code,names

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/README.md b/README.md
index 65a0dab..3c0cbd9 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Xorg mailing list:
 
   https://lists.x.org/mailman/listinfo/xorg
 
-The master development code repository can be found at:
+The primary development code repository can be found at:
 
   https://gitlab.freedesktop.org/xorg/test/x11perf
 
diff --git a/x11perf.c b/x11perf.c
index e98cca5..e2e8efd 100644
--- a/x11perf.c
+++ b/x11perf.c
@@ -324,7 +324,7 @@ static char *program_name;
 static void usage(void) _X_NORETURN;
 
 /*
- * Get_Display_Name (argc, argv) Look for -display, -d, or host:dpy (obselete)
+ * Get_Display_Name (argc, argv) Look for -display, -d, or host:dpy (obsolete)
  * If found, remove it from command line.  Don't go past a lone -.
  */
 static char *
diff --git a/x11perf.h b/x11perf.h
index 69dedec..72f814c 100644
--- a/x11perf.h
+++ b/x11perf.h
@@ -343,7 +343,7 @@ drawing speed for lines, polygons, text, etc.
 
 Since workstations are not used as standalone graphics engines, but as
 super-terminals, x11perf measures window management performance as well as
-traditional graphics performace.  x11perf includes benchmarks for the time it
+traditional graphics performance.  x11perf includes benchmarks for the time it
 takes to create and map windows (as when you start up an application); to map a
 pre-existing set of windows onto the screen (as when you deiconify an
 application or pop up a menu); and to rearrange windows (as when you slosh