some doc added

Signed-off-by: bdattoma <[email protected]>

Author: bdattoma

src/JupyterLibrary/clients/jupyterlab/Output.robot

@@ -42,11 +42,13 @@ Screenshot Each Output of Active JupyterLab Document
 
 Wait Until a Given JupyterLab Code Cell Is Not Active In a Given Tab
   [Documentation]  Waits until the given cell in a specific JL tab no longer has an active prompt "[*]:".
+  ...              The cell index starts from 1 and you must count empty and markdown cells too.
   [Arguments]  ${tab_id_to_wait}  ${cell_n}  ${timeout}=120seconds
   Wait Until Element Is Not Visible  xpath=//div[@aria-labelledby="${tab_id_to_wait}"]/${NB TAB XP CONTENT}/div[${cell_n}]/${CELL XP INPUT STATUS ICON}   ${timeout}
 
 Get A JupyterLab Code Cell Output In a Given Tab
-   [Documentation]  It returns the output of a given cell in a specific JL tab
+   [Documentation]  It returns the output of a given cell in a specific JL tab.
+   ...              The cell index starts from 1 and you must count empty and markdown cells too.
    [Arguments]  ${tab_id_to_read}  ${cell_n}
    ${outputtext}=  Get Text  xpath=//div[@aria-labelledby="${tab_id_to_read}"]/${NB TAB XP CONTENT}/div[${cell_n}]/${CELL XP OUTPUT TEXT}
    [Return]  ${outputtext}