diff --git a/README.md b/README.md
index 62ea3a33..8a3c35bb 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ or simply download the latest JAR file from the [releases](https://github.com/fl
 It requires `java` to run Aqua compiler from the command line:
 
 ```commandline
-java -jar aqua-hll.jar path/to/input/dir path/to/output/dir
+java -jar aqua-cli-%version_number%.jar -i path/to/input/dir -o path/to/output/dir
 ```
 
 Input directory should contain files with `aqua` scripts.
diff --git a/aqua-src/demo.aqua b/aqua-src/demo.aqua
index 88c744a7..de501f03 100644
--- a/aqua-src/demo.aqua
+++ b/aqua-src/demo.aqua
@@ -1,5 +1,20 @@
-import "print.aqua"
+service OpH("op"):
+  puk(s: string) -> string
+  pek(s: string, -- trgtr
+      c: string) -> string
 
-func iterateAndPrint(strings: []string):
-    for s <- strings:
-        print(s)
\ No newline at end of file
+func a( -- ferkjn
+  b: string, -- fr
+  c: string, -- asdf
+  g: string
+  ) -> string: -- rgtr
+
+  try:
+    f = "world"
+    OpH "planet"
+    OpH.pek("TRY THIS", -- gtrg
+            c)
+  catch err:
+    OpH.puk(err.msg)
+  <- f
+  -- hello
\ No newline at end of file
diff --git a/cli/src/main/scala/aqua/AppOps.scala b/cli/src/main/scala/aqua/AppOps.scala
index b4a154b8..ba691809 100644
--- a/cli/src/main/scala/aqua/AppOps.scala
+++ b/cli/src/main/scala/aqua/AppOps.scala
@@ -100,7 +100,7 @@ object AppOps {
       .options[String]("const", "Constant that will be used in an aqua code", "c")
       .mapValidated { strs =>
         val parsed = strs.map(s => ConstantExpr.onlyLiteral.parseAll(s))
-        println(parsed)
+
         val errors = parsed.collect { case Left(er) =>
           er
         }
diff --git a/cli/src/main/scala/aqua/AquaCompiler.scala b/cli/src/main/scala/aqua/AquaCompiler.scala
index 42a301e0..1f11b3a3 100644
--- a/cli/src/main/scala/aqua/AquaCompiler.scala
+++ b/cli/src/main/scala/aqua/AquaCompiler.scala
@@ -1,11 +1,11 @@
 package aqua
 
 import aqua.backend.air.FuncAirGen
-import aqua.backend.ts.TypescriptFile
 import aqua.backend.js.JavaScriptFile
+import aqua.backend.ts.TypescriptFile
 import aqua.io.{AquaFileError, AquaFiles, FileModuleId, Unresolvable}
 import aqua.linker.Linker
-import aqua.model.{AquaContext, VarModel}
+import aqua.model.AquaContext
 import aqua.model.transform.BodyConfig
 import aqua.parser.lift.FileSpan
 import aqua.semantics.{RulesViolated, SemanticError, Semantics}
@@ -129,7 +129,7 @@ object AquaCompiler extends LogSupport {
     prepareFiles(srcPath, imports, targetPath)
       .map(_.map(_.filter { p =>
         val hasOutput = p.hasOutput(compileTo)
-        if (!hasOutput) info(s"Source ${p.srcPath}: compilation OK (nothing to emit)")
+        if (!hasOutput) info(s"Source ${p.modFile}: compilation OK (nothing to emit)")
         hasOutput
       }))
       .flatMap[ValidatedNec[String, Chain[String]]] {
diff --git a/cli/src/main/scala/aqua/io/AquaFile.scala b/cli/src/main/scala/aqua/io/AquaFile.scala
index 99730ad6..7c61510e 100644
--- a/cli/src/main/scala/aqua/io/AquaFile.scala
+++ b/cli/src/main/scala/aqua/io/AquaFile.scala
@@ -60,6 +60,9 @@ object AquaFile {
     Files[F]
       .readAll(file, 4096)
       .fold(Vector.empty[Byte])((acc, b) => acc :+ b)
+      // TODO fix for comment on last line in air
+      // TODO should be fixed by parser
+      .map(_.appendedAll("\n\r".getBytes))
       .flatMap(fs2.Stream.emits)
       .through(text.utf8Decode)
       .attempt
diff --git a/parser/src/main/scala/aqua/parser/lexer/Token.scala b/parser/src/main/scala/aqua/parser/lexer/Token.scala
index 58aaed0d..1d1b9d54 100644
--- a/parser/src/main/scala/aqua/parser/lexer/Token.scala
+++ b/parser/src/main/scala/aqua/parser/lexer/Token.scala
@@ -55,6 +55,7 @@ object Token {
 
   val ` \n` : P[Unit] =
     (` `.?.void *> (`--` *> P.charsWhile(_ != '\n')).?.void).with1 *> `\n`
+
   val ` \n+` : P[Unit] = P.repAs[Unit, Unit](` \n`.backtrack, 1)(Accumulator0.unitAccumulator0)
   val ` : \n+` : P[Unit] = ` `.?.with1 *> `:` *> ` \n+`
   val `,` : P[Unit] = P.char(',') <* ` `.?