Get rid of A and The

docs.it4i/anselm-cluster-documentation/software/isv_licenses.md

 # ISV Licenses
 
-## a Guide to Managing Independent Software Vendor Licenses
+## Guide to Managing Independent Software Vendor Licenses
 
 On Anselm cluster there are also installed commercial software applications, also known as ISV (Independent Software Vendor), which are subjects to licensing. The licenses are limited and their usage may be restricted only to some users or user groups.
 

docs.it4i/anselm-cluster-documentation/software/nvidia-cuda.md

 # NVIDIA CUDA
 
-## a Guide to NVIDIA CUDA Programming and GPU Usage
+## Guide to NVIDIA CUDA Programming and GPU Usage
 
 ## CUDA Programming on Anselm
 

docs.it4i/anselm-cluster-documentation/software/openfoam.md

 # OpenFOAM
 
-## a Free, Open Source CFD Software Package
+a Free, Open Source CFD Software Package
 
 ## Introduction
 

docs.it4i/get-started-with-it4innovations/accessing-the-clusters/graphical-user-interface/x-window-system.md

@@ -86,7 +86,7 @@ $ ssh -X r24u35n680
 
 In this example, we log in on the r24u35n680 compute node, with the X11 forwarding enabled.
 
-## the Gnome GUI Environment
+## Gnome GUI Environment
 
 The Gnome 2.28 GUI environment is available on the clusters. We recommend to use separate X server window for displaying the Gnome environment.
 

docs.it4i/get-started-with-it4innovations/obtaining-login-credentials/obtaining-login-credentials.md

@@ -55,7 +55,7 @@ Example (except the subject line which must be in English, you may use Czech or
 
 Should the above information be provided by e-mail, the e-mail **must be** digitally signed. Read more on [digital signatures](obtaining-login-credentials/#the-certificates-for-digital-signatures) below.
 
-## the Login Credentials
+## Login Credentials
 
 Once authorized by PI, every person (PI or Collaborator) wishing to access the clusters, should contact the [IT4I support](https://support.it4i.cz/rt/) (E-mail: [support\[at\]it4i.cz](mailto:support@it4i.cz)) providing following information:
 
@@ -114,7 +114,7 @@ On Windows, use [PuTTY Key Generator](../accessing-the-clusters/shell-access-and
 
 Change password in [your user profile](https://extranet.it4i.cz/user/).
 
-## the Certificates for Digital Signatures
+## Certificates for Digital Signatures
 
 We accept personal certificates issued by any widely respected certification authority (CA). This includes certificates by CAs organized in [International Grid Trust Federation](http://www.igtf.net/), its European branch [EUGridPMA](https://www.eugridpma.org/) and its member organizations, e.g. the [CESNET certification authority](https://tcs.cesnet.cz). The Czech _"Qualified certificate" (Kvalifikovaný certifikát)_ provided by [PostSignum](http://www.postsignum.cz/) or [I.CA](http://www.ica.cz/Kvalifikovany-certifikat.aspx), that is used in electronic contact with Czech authorities is accepted as well.
 

docs.it4i/salomon/software/intel-xeon-phi.md

 # Intel Xeon Phi
 
-## a Guide to Intel Xeon Phi Usage
+## Guide to Intel Xeon Phi Usage
 
 Intel Xeon Phi can be programmed in several modes. The default mode on Anselm is offload mode, but all modes described in this document are supported.