Nits (#3183)

Author: pm47

BUILD.md

@@ -94,6 +94,6 @@ To make local development and testing easier, SNAPSHOT dependencies are not veri
 To re-create the trusted checksums file, run:
 
 ```shell
-$ rm ~/.m2/wrapper ~/.sbt -rf
+$ rm -Rf ~/.m2/wrapper ~/.sbt
 $ ./mvnw clean install -DskipTests -Daether.artifactResolver.postProcessor.trustedChecksums.record
 ```

eclair-core/src/main/scala/fr/acinq/eclair/wire/protocol/FailureMessage.scala

@@ -193,9 +193,9 @@ object FailureMessageCodecs {
 
   /**
    * An onion-encrypted failure from an intermediate node:
-   * +----------------+----------------------------------+-----------------+----------------------+-----+
+   *
    * | HMAC(32 bytes) | failure message length (2 bytes) | failure message | pad length (2 bytes) | pad |
-   * +----------------+----------------------------------+-----------------+----------------------+-----+
+   *
    * Bolt 4: SHOULD set pad such that the failure_len plus pad_len is equal to 256: by always using the same size we
    * ensure error messages are indistinguishable.
    */