[doc] descriptor: explain GetPubKey() usage with cached public key

Plus a few typo fixes.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/script/descriptor.h b/src/script/descriptor.h
index 44f0efca03..2be157b861 100644
--- a/src/script/descriptor.h
+++ b/src/script/descriptor.h
@@ -46,9 +46,9 @@ struct Descriptor {
      *
      * pos: the position at which to expand the descriptor. If IsRange() is false, this is ignored.
      * provider: the provider to query for private keys in case of hardened derivation.
-     * output_script: the expanded scriptPubKeys will be put here.
+     * output_scripts: the expanded scriptPubKeys will be put here.
      * out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider).
-     * cache: vector which will be overwritten with cache data necessary to-evaluate the descriptor at this point without access to private keys.
+     * cache: vector which will be overwritten with cache data necessary to evaluate the descriptor at this point without access to private keys.
      */
     virtual bool Expand(int pos, const SigningProvider& provider, std::vector<CScript>& output_scripts, FlatSigningProvider& out, std::vector<unsigned char>* cache = nullptr) const = 0;
 
@@ -56,7 +56,7 @@ struct Descriptor {
      *
      * pos: the position at which to expand the descriptor. If IsRange() is false, this is ignored.
      * cache: vector from which cached expansion data will be read.
-     * output_script: the expanded scriptPubKeys will be put here.
+     * output_scripts: the expanded scriptPubKeys will be put here.
      * out: scripts and public keys necessary for solving the expanded scriptPubKeys will be put here (may be equal to provider).
      */
     virtual bool ExpandFromCache(int pos, const std::vector<unsigned char>& cache, std::vector<CScript>& output_scripts, FlatSigningProvider& out) const = 0;