Update the profile.proto to include some cosmetic changes.

PiperOrigin-RevId: 822155822
Change-Id: I2714365366d0b7acba4f33ab474ea420075bd2b0

Author: TCMalloc Team

tcmalloc/internal/profile.proto

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
+//     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -93,11 +93,11 @@ message Profile {
   // Index into the string table of the type of the preferred sample
   // value. If unset, clients should default to the last sample value.
   int64 default_sample_type = 14;
-  // Documentation link for this profile. The URL must be absolute,
+  // Documentation link for this profile type. The URL must be absolute,
   // e.g., http://pprof.example.com/cpu-profile.html
   //
-  // The URL may be missing if the profile was generated by older code or code
-  // that did not bother to supply a link.
+  // The URL may be missing if the profile was generated by code that did not
+  // supply a link.
   int64 doc_url = 15;  // Index into string table.
 }