diff --git a/.github/workflows/release-assets.yml b/.github/workflows/release-assets.yml
index 06a3906..515af94 100644
--- a/.github/workflows/release-assets.yml
+++ b/.github/workflows/release-assets.yml
@@ -14,7 +14,7 @@ env:
 jobs:
   build:
     name: Upload Release Assets
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Install Go stable
         if: env.GO_VERSION != 'tip'
diff --git a/cmd/catp/README.md b/cmd/catp/README.md
index ab94610..ceb209d 100644
--- a/cmd/catp/README.md
+++ b/cmd/catp/README.md
@@ -37,7 +37,8 @@ Usage of catp:
         output to file instead of STDOUT
   -parallel int
         number of parallel readers if multiple files are provided
-        lines from different files will go to output simultaneouslyuse 0 for multi-threaded zst decoder (slightly faster at cost of more CPU) (default 1)
+        lines from different files will go to output simultaneously
+        use 0 for multi-threaded zst decoder (slightly faster at cost of more CPU) (default 1)
   -progress-json string
         write current progress to a file
   -version
diff --git a/cmd/catp/catp/app.go b/cmd/catp/catp/app.go
index 0b78cfc..db8f2fb 100644
--- a/cmd/catp/catp/app.go
+++ b/cmd/catp/catp/app.go
@@ -338,7 +338,7 @@ func Main() error { //nolint:funlen,cyclop,gocognit,gocyclo
 		"for example, you can use '-grep bar\\|baz -grep foo' to only keep lines that have (bar OR baz) AND foo")
 
 	parallel := flag.Int("parallel", 1, "number of parallel readers if multiple files are provided\n"+
-		"lines from different files will go to output simultaneously"+
+		"lines from different files will go to output simultaneously\n"+
 		"use 0 for multi-threaded zst decoder (slightly faster at cost of more CPU)")
 
 	cpuProfile := flag.String("dbg-cpu-prof", "", "write first 10 seconds of CPU profile to file")