diff --git a/docs/guides/examples.rst b/docs/guides/examples.rst
index 9f2ad42..d9b5873 100644
--- a/docs/guides/examples.rst
+++ b/docs/guides/examples.rst
@@ -4,7 +4,7 @@ Examples
 `HTSinfer` provides easy-to-use commands for analyzing single- and paired-ended RNA-Seq libraries.
 
 
-Single-ended Library Example
+Single-ended library example
 ----------------------------
 
 To run `HTSinfer` on a single-ended RNA-Seq library, use the following command:
@@ -13,7 +13,7 @@ To run `HTSinfer` on a single-ended RNA-Seq library, use the following command:
 
    htsinfer tests/files/adapter_single.fastq
 
-Paired-ended Library Example
+Paired-ended library example
 ----------------------------
 
 To run `HTSinfer` on a paired-ended RNA-Seq library, use the following command:
@@ -24,7 +24,7 @@ To run `HTSinfer` on a paired-ended RNA-Seq library, use the following command:
 
 Both commands will output the results in JSON format to :code:`STDOUT` and the log to :code:`STDERR`.
 
-Example Output
+Example output
 --------------
 
 Here is a sample output for the paired-ended library:
diff --git a/docs/guides/installation.rst b/docs/guides/installation.rst
index d734156..aa8f9e1 100644
--- a/docs/guides/installation.rst
+++ b/docs/guides/installation.rst
@@ -50,7 +50,7 @@ After the installation is complete, activate the :code:`htsinfer` Conda environm
 
    conda activate htsinfer
 
-Verify the Installation (Optional)
+Verify the installation (optional)
 ----------------------------------
 
 If you have installed the development or testing dependencies, you can verify that `HTSinfer` was installed correctly by executing the tests shipped with the package:
diff --git a/docs/guides/usage.rst b/docs/guides/usage.rst
index 4c7631e..c06e184 100644
--- a/docs/guides/usage.rst
+++ b/docs/guides/usage.rst
@@ -3,7 +3,7 @@ Usage
 
 This section describes the general usage of `HTSinfer`.
 
-General Usage
+General usage
 -------------
 
 .. code-block:: bash
@@ -30,7 +30,7 @@ General Usage
 
 The above command allows the user to infer metadata for single- or paired-ended RNA-Seq libraries by specifying file paths and relevant parameters. The tool outputs metadata in JSON format to :code:`STDOUT` and logs to :code:`STDERR`.
 
-Command-line Options
+Command-line options
 ---------------------
 
 Available command-line parameters are categorized as follows: