Fix typos #1473

1. 
   shuoer86 commented at 11:57 am on January 2, 2024: contributor

   Fix some typos caught by spell checker
2. in include/secp256k1.h:556 in 2b89709895 outdated

   552@@ -553,7 +553,7 @@ SECP256K1_API int secp256k1_ecdsa_signature_serialize_compact(
   553 /** Verify an ECDSA signature.
   554  *
   555  *  Returns: 1: correct signature
   556- *           0: incorrect or unparseable signature
   557+ *           0: incorrect or unparsable signature
   

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   real-or-random commented at 5:47 pm on January 2, 2024:

   That one is correct, see https://en.wiktionary.org/wiki/unparseable

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   shuoer86 commented at 12:05 pm on January 3, 2024:

   @real-or-random thanks for your review. I haved reverted it.
3. Fix typos d77170a88d
4. shuoer86 force-pushed on Jan 3, 2024
5. real-or-random added the label refactor/smell on Jan 4, 2024
6. real-or-random added the label meta/development on Jan 4, 2024
7. real-or-random approved
8. 
   real-or-random commented at 4:38 pm on January 4, 2024: contributor

   utACK d77170a88d0d6f27d0b90057fa7cd25ec74e3850
9. real-or-random merged this on Jan 4, 2024
10. real-or-random closed this on Jan 4, 2024

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Contributors
shuoer86 real-or-random

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refactor/smell meta/development