doc: fix help documentation for dune describe

Signed-off-by: Ali Caglayan <[email protected]>

Author: Alizter

bin/describe/describe_opam_files.ml

@@ -16,7 +16,7 @@ let term =
 
 let command =
   let doc =
-    "prints information about the Opam files that have been discovered"
+    "Print information about the opam files that have been discovered."
   in
   let info = Cmd.info ~doc "opam-files" in
   Cmd.v info term

bin/describe/describe_pp.ml

@@ -16,6 +16,6 @@ let term =
       Describe_common.Preprocess.run super_context file)
 
 let command =
-  let doc = "builds a given FILE and prints the preprocessed output" in
+  let doc = "Build a given FILE and print the preprocessed output." in
   let info = Cmd.info ~doc "pp" in
   Cmd.v info term

bin/describe/describe_workspace.ml

@@ -163,7 +163,7 @@ let term : unit Term.t =
 
 let command =
   let doc =
-    "prints a description of the workspace's structure. If some directories \
+    "Print a description of the workspace's structure. If some directories \
      DIRS are provided, then only those directories of the workspace are \
      considered."
   in