misc: avoid contractions

Now detected

cmdline/configfile.md

@@ -20,7 +20,8 @@ Using the `-K` or long form `--config` option tells curl to read from a config f
 
 The file path specified is relative to the current directory in your terminal.
 
-You can name the config file whatever you'd like. `configFile.txt` is used for simplicity in the example above.
+You can name the config file whatever you like. `configFile.txt` is used for
+simplicity in the example above.
 
 ## Syntax
 
@@ -96,7 +97,7 @@ When entering URLs at the command line, everything that is not an option is assu
 
 ### When to use quotes
 
-You'll need to use double quotes when:
+You need to use double quotes when:
 
 * the parameter contains white space, or starts with the characters `:` or `=`.
 * you need to use escape sequences (available options: `\\`, `\"`, `\t`, `\n`, `\r` and `\v`. A backslash preceding any other letter is ignored).

internals/tests/file-format.md

@@ -246,7 +246,7 @@ should be cut off from the data before sending or comparing it.
 
 For FTP file listings, the `<data>` section is used *only* if you make sure
 that there has been a CWD done first to a directory named `test-[number]`
-where `[number]` is the test case number. Otherwise the ftp server can't know
+where `[number]` is the test case number. Otherwise the ftp server cannot know
 from which test file to load the list content.
 
 ### `<dataNUMBER>`

libcurl/callbacks/prereq.md

@@ -1,6 +1,6 @@
 # Prereq
 
-"Prereq" here means immediately before the request is issued. That's the
+"Prereq" here means immediately before the request is issued. That is the
 moment where this callback is called.
 
 Set the function with `CURLOPT_PREREQFUNCTION` and it gets called and passed

usingcurl/returns.md

@@ -313,7 +313,7 @@ A basic Unix shell script could look like something like this:
   failed to upgrade the connection to TLS when asked to.
 
  65. Sending the data requires a rewind that failed. In some situations curl
-  needs to rewind in order to send the data again and if this can't be done,
+  needs to rewind in order to send the data again and if this cannot be done,
   the operations fails.
 
  66. Failed to initialize the OpenSSL SSL Engine. This can only happen when