Fix typo

Objects/stringlib/fastsearch.h

@@ -115,7 +115,7 @@ FASTSEARCH(const STRINGLIB_CHAR* s, Py_ssize_t n,
             unsigned char needle;
             needle = p[0] & 0xff;
 #if STRINGLIB_SIZEOF_CHAR > 1
-            /* If looking for a multiple of 256, we'd have two
+            /* If looking for a multiple of 256, we'd have too
                many false positives looking for the '\0' byte in UCS2
                and UCS4 representations. */
             if (needle != 0)