diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23955b4..c69205e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,10 +29,10 @@ SPDX-License-Identifier: curl
    standardizing to curl's documentation format.
 
 ## [v2025.02.24]
- * Allow `-o` and `-O` to be used without whitespaces (e.g.: `-oNAME`).
+ * Allow `-o` and `-O` to be used without whitespace (e.g.: `-oNAME`).
  * Fix capitalization of the name of copyright owner sergiodj.
  * Use the standard copyright header in manpage.
- * Create a github workflow for tests and linting.
+ * Create a GitHub workflow for tests and linting.
  * Add missing breakline to README to fix formatting.
  * Update manpage to describe that `--output` can be used without the equal sign.
  * Add installation instructions to README.
@@ -66,7 +66,7 @@ SPDX-License-Identifier: curl
    output files.
  * Add more tests.
  * Remove the need for GNU coreutils' `realpath` for tests.
- * Update manpage with links to Github and Debian's Salsa.
+ * Update manpage with links to GitHub and Debian's Salsa.
  * Update LICENSE file with new contributors.
 
 ## [v2024-07-07]
diff --git a/README.md b/README.md
index f54b164..308acd7 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ parameters via the `--curl-options` option. Just beware that you likely
 should be using curl directly if your use case is not covered.
 
 * By default, **wcurl** does:
-  * Percent-encode whitespaces in URLs;
+  * Percent-encode whitespace in URLs;
   * Download multiple URLs in parallel if the installed curl's version is >= 7.66.0 (`--parallel`);
   * Use a total number of 5 parallel connections to the same protocol + hostname + port number target if the installed curl's version is >= 8.16.0 (`--parallel-max-host`);
   * Follow redirects;
@@ -89,7 +89,7 @@ should be using curl directly if your use case is not covered.
 * `--no-decode-filename`
 
   Don't percent-decode the output filename, even if the percent-encoding in the
-  URL was done by wcurl, e.g.: The URL contained whitespaces.
+  URL was done by wcurl, e.g.: The URL contained whitespace.
 
 * `--dry-run`
 
@@ -111,7 +111,7 @@ instead forwarded to the curl invocation.
 # URL
 
 URL to be downloaded. Anything that is not a parameter is considered
-an URL. Whitespaces are percent-encoded and the URL is passed to curl, which
+an URL. Whitespace is percent-encoded and the URL is passed to curl, which
 then performs the parsing. May be specified more than once.
 
 # Examples
diff --git a/tests/tests.sh b/tests/tests.sh
index 71d6342..30ac37b 100755
--- a/tests/tests.sh
+++ b/tests/tests.sh
@@ -163,37 +163,37 @@ testUrlDefaultNameTrailingSlash()
     assertContains "Verify whether 'wcurl' chooses the correct default filename when there's no path in the URL and the URl ends with a slash" "${ret}" 'index.html'
 }
 
-testUrlDecodingWhitespaces()
+testUrlDecodingWhitespace()
 {
     url='example.com/filename%20with%20spaces'
     ret=$(${WCURL_CMD} ${url} 2>&1)
-    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespaces in URLs" "${ret}" 'filename with spaces'
+    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespace in URLs" "${ret}" 'filename with spaces'
 }
 
-testUrlDecodingWhitespacesTwoFiles()
+testUrlDecodingWhitespaceTwoFiles()
 {
     url='example.com/filename%20with%20spaces'
     url_2='example.com/filename2%20with%20spaces'
     ret=$(${WCURL_CMD} ${url} ${url_2} 2>&1)
-    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespaces in URLs" "${ret}" 'filename with spaces'
-    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespaces in URLs" "${ret}" 'filename2 with spaces'
+    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespace in URLs" "${ret}" 'filename with spaces'
+    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespace in URLs" "${ret}" 'filename2 with spaces'
 }
 
 testUrlDecodingDisabled()
 {
     url='example.com/filename%20with%20spaces'
     ret=$(${WCURL_CMD} --no-decode-filename ${url} 2>&1)
-    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespaces in URLs" "${ret}" 'filename%20with%20spaces'
+    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespace in URLs" "${ret}" 'filename%20with%20spaces'
 }
 
-testUrlDecodingWhitespacesQueryString()
+testUrlDecodingWhitespaceQueryString()
 {
     url='example.com/filename%20with%20spaces?query=string'
     ret=$(${WCURL_CMD} "${url}" 2>&1)
-    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespaces in URLs with query strings" "${ret}" 'filename with spaces'
+    assertContains "Verify whether 'wcurl' successfully decodes percent-encoded whitespace in URLs with query strings" "${ret}" 'filename with spaces'
 }
 
-testUrlDecodingWhitespacesTrailingSlash()
+testUrlDecodingWhitespaceTrailingSlash()
 {
     url='example.com/filename%20with%20spaces/'
     ret=$(${WCURL_CMD} ${url} 2>&1)
diff --git a/wcurl b/wcurl
index fdbafad..66ce954 100755
--- a/wcurl
+++ b/wcurl
@@ -65,7 +65,7 @@ Options:
                            multiple times, only the last value is considered.
 
   --no-decode-filename: Don't percent-decode the output filename, even if the percent-encoding in
-                        the URL was done by wcurl, e.g.: The URL contained whitespaces.
+                        the URL was done by wcurl, e.g.: The URL contained whitespace.
 
   --dry-run: Don't actually execute curl, just print what would be invoked.
 
@@ -77,7 +77,7 @@ Options:
                  instead forwarded to the curl invocation.
 
   <URL>: URL to be downloaded. Anything that is not a parameter is considered
-         an URL. Whitespaces are percent-encoded and the URL is passed to curl, which
+         an URL. Whitespace is percent-encoded and the URL is passed to curl, which
          then performs the parsing. May be specified more than once.
 _EOF_
 }
@@ -301,7 +301,7 @@ while [ -n "${1-}" ]; do
             # This is the start of the list of URLs.
             shift
             for url in "$@"; do
-                # Encode whitespaces into %20, since wget supports those URLs.
+                # Encode whitespace into %20, since wget supports those URLs.
                 newurl=$(printf "%s\n" "${url}" | sed 's/ /%20/g')
                 URLS="${URLS} ${newurl}"
             done
@@ -314,7 +314,7 @@ while [ -n "${1-}" ]; do
 
         *)
             # This must be a URL.
-            # Encode whitespaces into %20, since wget supports those URLs.
+            # Encode whitespace into %20, since wget supports those URLs.
             newurl=$(printf "%s\n" "${1}" | sed 's/ /%20/g')
             URLS="${URLS} ${newurl}"
             ;;
diff --git a/wcurl.md b/wcurl.md
index ab5f956..7d1200b 100644
--- a/wcurl.md
+++ b/wcurl.md
@@ -40,7 +40,7 @@ should be using curl directly if your use case is not covered.
 
 By default, **wcurl** does:
 
-## * Percent-encode whitespaces in URLs;
+## * Percent-encode whitespace in URLs;
 
 ## * Download multiple URLs in parallel
     if the installed curl's version is \>= 7.66.0 (--parallel);
@@ -88,7 +88,7 @@ last value is considered.
 ## --no-decode-filename
 
 Don't percent-decode the output filename, even if the percent-encoding in the
-URL was done by **wcurl**, e.g.: The URL contained whitespaces.
+URL was done by **wcurl**, e.g.: The URL contained whitespace.
 
 ## --dry-run
 
@@ -110,7 +110,7 @@ is instead forwarded to the curl invocation.
 # URL
 
 URL to be downloaded. Anything that is not a parameter is considered
-an URL. Whitespaces are percent-encoded and the URL is passed to curl, which
+an URL. Whitespace is percent-encoded and the URL is passed to curl, which
 then performs the parsing. May be specified more than once.
 
 # EXAMPLES
@@ -144,7 +144,7 @@ Download multiple files without a limit of concurrent connections per host (the
 # REPORTING BUGS
 
 If you experience any problems with **wcurl** that you do not experience with
-curl, submit an issue on Github: https://github.com/curl/wcurl
+curl, submit an issue on GitHub: https://github.com/curl/wcurl
 
 # COPYRIGHT