diff --git a/src/_networkQuality b/src/_networkQuality
index 136edd0..e278b3c 100644
--- a/src/_networkQuality
+++ b/src/_networkQuality
@@ -34,10 +34,10 @@
 #
 # ------------------------------------------------------------------------------
 
-_arguments \
+_arguments -s \
   '-b[Show Bonjour advertised networkQuality servers]' \
   '-B[Run against specified Bonjour instance]:name' \
-  '-C[Use custom configuration URL or path]:url_or_path' \
+  '-C[Use custom configuration URL or path]:url_or_path:_urls' \
   '-f[Force usage of a specific protocol selection]:option:(h1 h2 h3 L4S noL4S)' \
   '-I[Bind test to interface]:interface:_net_interfaces' \
   '-M[Maximum runtime in seconds]:seconds' \
diff --git a/src/_screencapture b/src/_screencapture
index 43b4830..874d8b1 100644
--- a/src/_screencapture
+++ b/src/_screencapture
@@ -34,7 +34,7 @@
 #
 # ------------------------------------------------------------------------------
 
-_arguments \
+_arguments -s \
   '-c[force screen capture to go to the clipboard]' \
   '(-i -J -s -w -W)-b[capture touch bar only non interactive modes]' \
   '(-b -i -J -s -w -W)-C[capture the cursor as well as the screen only in non interactive modes]' \
diff --git a/src/_textutil b/src/_textutil
index 938222e..abfc75c 100644
--- a/src/_textutil
+++ b/src/_textutil
@@ -39,15 +39,15 @@ local -a format=(txt html rtf rtfd doc docx wordml odt webarchive)
 _arguments -S \
   '-help[Show the usage information for the command and exit]' \
   '-info[Display information about the specified files]' \
-  '-convert[Convert the specified files to the indicated format and write]:format:'"($format)" \
-  '-cat[Read the specified files, concatenate them in the indicated format]:format:'"($format)" \
+  '-convert[Convert the specified files to the indicated format and write]:format:(($format))' \
+  '-cat[Read the specified files, concatenate them in the indicated format]:format:(($format))' \
   '-extension[Specify an extension to be used for output files]:ext' \
   '-output[Specify the file name to be used for the first output file]:path:_files' \
   '-stdin[Specify that input should be read from stdin rather than from files]' \
   '-stdout[Specify that the first output file should go to stdout]' \
-  '-encoding[Specify the encoding to be used for plain text or HTML output files]:encode' \
+  '-encoding[Specify the encoding to be used for plain text or HTML output files]:name' \
   '-inputencoding[Force all plain text input files to be interpreted using the specified encoding]' \
-  '-format[Force all input files to be interpreted using the indicated format]:format:'"($format)" \
+  '-format[Force all input files to be interpreted using the indicated format]:format:(($format))' \
   '-font[Specify the name of the font to be used for converting plain to rich text]:font' \
   '-fontsize[Specify the size in points of the font to be used for converting plain to rich text]:size' \
   '-noload[Do not load subsidiary resources]' \