[NFC][ProfileData] Improve language

GitOrigin-RevId: fc05b2d9e592678899f96abd95e3f187b19b6998
diff --git a/include/profile/InstrProfData.inc b/include/profile/InstrProfData.inc
index f715505..3ee7af7 100644
--- a/include/profile/InstrProfData.inc
+++ b/include/profile/InstrProfData.inc
@@ -6,15 +6,15 @@
 |*
 \*===----------------------------------------------------------------------===*/
 /*
- * This is the master file that defines all the data structure, signature,
+ * This is the main file that defines all the data structure, signature,
  * constant literals that are shared across profiling runtime library,
  * compiler (instrumentation), and host tools (reader/writer). The entities
  * defined in this file affect the profile runtime ABI, the raw profile format,
  * or both.
  *
- * The file has two identical copies. The master copy lives in LLVM and
+ * The file has two identical copies. The primary copy lives in LLVM and
  * the other one  sits in compiler-rt/lib/profile directory. To make changes
- * in this file, first modify the master copy and copy it over to compiler-rt.
+ * in this file, first modify the primary copy and copy it over to compiler-rt.
  * Testing of any change in this file can start only after the two copies are
  * synced up.
  *