diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 000000000..58d1399af
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,10 @@
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+    patch:
+      default:
+        target: auto
+        threshold: 1%
diff --git a/src/extract_aero_particles.F90 b/src/extract_aero_particles.F90
index 936dc3689..ecb25a017 100644
--- a/src/extract_aero_particles.F90
+++ b/src/extract_aero_particles.F90
@@ -117,7 +117,7 @@ subroutine print_help()
     write(*,'(a)') ''
     write(*,'(a)') 'options are:'
     write(*,'(a)') '  -h, --help        Print this help message.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_aero_particles data_0001_00000001.nc'
diff --git a/src/extract_aero_size.F90 b/src/extract_aero_size.F90
index dea730287..86428abec 100644
--- a/src/extract_aero_size.F90
+++ b/src/extract_aero_size.F90
@@ -183,7 +183,7 @@ subroutine print_help()
     write(*,'(a)') '  -N, --dmin <D>    Minimum diameter (m).'
     write(*,'(a)') '  -X, --dmax <D>    Maximum diameter (m).'
     write(*,'(a)') '  -b, --nbin <N>    Number of size bins.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_aero_size --num data_0001'
diff --git a/src/extract_aero_time.F90 b/src/extract_aero_time.F90
index 4663c6c1e..5bf9f3621 100644
--- a/src/extract_aero_time.F90
+++ b/src/extract_aero_time.F90
@@ -141,7 +141,7 @@ subroutine print_help()
     write(*,'(a)') ''
     write(*,'(a)') 'options are:'
     write(*,'(a)') '  -h, --help        Print this help message.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_aero_time data_0001'
diff --git a/src/extract_env.F90 b/src/extract_env.F90
index 452c502cf..4e12f8a85 100644
--- a/src/extract_env.F90
+++ b/src/extract_env.F90
@@ -129,7 +129,7 @@ subroutine print_help()
     write(*,'(a)') ''
     write(*,'(a)') 'options are:'
     write(*,'(a)') '  -h, --help        Print this help message.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_env data_0001'
diff --git a/src/extract_gas.F90 b/src/extract_gas.F90
index 6caa8c4d6..4166be6d8 100644
--- a/src/extract_gas.F90
+++ b/src/extract_gas.F90
@@ -120,7 +120,7 @@ subroutine print_help()
     write(*,'(a)') ''
     write(*,'(a)') 'options are:'
     write(*,'(a)') '  -h, --help        Print this help message.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_gas data_0001'
diff --git a/src/extract_sectional_aero_size.F90 b/src/extract_sectional_aero_size.F90
index 22ef45388..12fd6db07 100644
--- a/src/extract_sectional_aero_size.F90
+++ b/src/extract_sectional_aero_size.F90
@@ -164,7 +164,7 @@ subroutine print_help()
     write(*,'(a)') '  -h, --help        Print this help message.'
     write(*,'(a)') '  -n, --num         Output number distribution.'
     write(*,'(a)') '  -m, --mass        Output mass distribution.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_sectional_aero_size --num data_0001'
diff --git a/src/extract_sectional_aero_time.F90 b/src/extract_sectional_aero_time.F90
index 391f9710f..a59337246 100644
--- a/src/extract_sectional_aero_time.F90
+++ b/src/extract_sectional_aero_time.F90
@@ -135,7 +135,7 @@ subroutine print_help()
     write(*,'(a)') ''
     write(*,'(a)') 'options are:'
     write(*,'(a)') '  -h, --help        Print this help message.'
-    write(*,'(a)') '  -o, --out <file>  Output filename.'
+    write(*,'(a)') '  -o, --output <file>  Output filename.'
     write(*,'(a)') ''
     write(*,'(a)') 'Examples:'
     write(*,'(a)') '  extract_sectional_aero_time data_0001'