pythongh-100061 Refine comment

Author: uyw4687

Modules/_sre/sre_lib.h

@@ -1334,7 +1334,7 @@ SRE(match)(SRE_STATE* state, const SRE_CODE* pattern, int toplevel)
                     MARK_POP(ctx->lastmark);
                     LASTMARK_RESTORE();
 
-                    /* Return to the previous Input Stream pointer */
+                    /* Restore the global Input Stream pointer */
                     state->ptr = ptr;
 
                     /* We have sufficient matches, so exit loop. */