BIP-375: clarify eligible input restriction in Signer text

Author: macgyver13

bip-0375.mediawiki

@@ -177,7 +177,7 @@ All rules must be followed from PSBTv2 for this role. If there are any outputs w
 If any input is spending an output with script using Segwit version > 1, the Signer must fail.
 
 For each output with PSBT_OUT_SP_V0_INFO set, the Signer should:
-* Compute and set an ECDH share and DLEQ proof for each input it has the private key for, or set a global ECDH share and DLEQ proof if it has private keys for all eligible inputs.
+* Compute and set an ECDH share and DLEQ proof for each eligible input it has the private key for, or set a global ECDH share and DLEQ proof if it has private keys for all eligible inputs.
 * Verify the DLEQ proofs for all inputs it does not have the private keys for, or the global DLEQ proof if it is set.
 * If all eligible inputs have an ECDH share or the global ECDH share is set, compute and set the PSBT_OUT_SCRIPT.