Quick fix on IDL syntax in tests for NLPCRAFT-369.
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/NCIdlIntentOptions.scala b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/NCIdlIntentOptions.scala
index 4640657..b8d70c7 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/NCIdlIntentOptions.scala
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/NCIdlIntentOptions.scala
@@ -34,7 +34,7 @@
     */
     final val JSON_UNUSED_FREE_WORDS = "unused_free_words"
     final val JSON_UNUSED_SYS_TOKS = "unused_sys_toks"
-    final val JSON_UNUSED_USER_TOKS = "unused_user_toks"
+    final val JSON_UNUSED_USR_TOKS = "unused_usr_toks"
     final val JSON_ALLOW_STM_ONLY = "allow_stm_only"
     final val JSON_ORDERED = "ordered"
 }
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/compiler/NCIdlCompiler.scala b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/compiler/NCIdlCompiler.scala
index 0324f57..95928cd 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/compiler/NCIdlCompiler.scala
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/compiler/NCIdlCompiler.scala
@@ -147,7 +147,7 @@
                     opts.ignoreUnusedFreeWords = boolVal(k, v)
                 else if (k == JSON_UNUSED_SYS_TOKS)
                     opts.ignoreUnusedSystemTokens = boolVal(k, v)
-                else if (k == JSON_UNUSED_USER_TOKS)
+                else if (k == JSON_UNUSED_USR_TOKS)
                     opts.ignoreUnusedUserTokens = boolVal(k, v)
                 else if (k == JSON_ALLOW_STM_ONLY)
                     opts.allowStmTokenOnly = boolVal(k, v)
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/solver/NCIntentSolverEngine.scala b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/solver/NCIntentSolverEngine.scala
index c939a05..8a98b90 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/solver/NCIntentSolverEngine.scala
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/model/intent/solver/NCIntentSolverEngine.scala
@@ -574,7 +574,7 @@
                         logger,
                         Some(
                             s"Intent '$intentId' ${bo(r("did not match"))} because of unused user tokens $varStr. " +
-                            s"See intent '${c(JSON_UNUSED_USER_TOKS)}' option. " +
+                            s"See intent '${c(JSON_UNUSED_USR_TOKS)}' option. " +
                             s"Unused user tokens:"
                         )
                     )