diff --git a/7210.tex b/7210.tex
index d3df627..920d25d 100644
--- a/7210.tex
+++ b/7210.tex
@@ -262,7 +262,7 @@ Otherwise, connect it to a carrier card (1124 Kasli or 1125 Kasli-SoC) using the
 Specifications are derived based on the datasheets of
 the clock buffer (ADCLK950BCPZ\footnote{\label{clock_buffer}https://www.analog.com/media/en/technical-documentation/data-sheets/ADCLK950.pdf}) \&
 the RF transformer (TCM2-43X+\footnote{\label{rf_transformer}https://www.minicircuits.com/pdfs/TCM2-43X+.pdf}).
-Clock output specifications is tested by supplying a 100 MHz DDS signal to the SMA input connector.
+Clock output specifications is tested by supplying a 100 MHz DDS signal to the SMA input connector.\footnote{\label{clocker6}https://github.com/sinara-hw/Clocker/issues/6\#issuecomment-414048168}
 The output is connected to an oscilloscope with 50\textOmega~termination.
 
 \begin{table}[h]
@@ -289,7 +289,7 @@ The output is connected to an oscilloscope with 50\textOmega~termination.
 \begin{figure}[H]
     \centering
     \includegraphics[width=5in]{clocker_waveform.png}
-    \caption{Waveform of Clocker at 100 MHz}
+    \caption{Waveform of Clocker at 100 MHz\repeatfootnote{clocker6}}
 \end{figure}
 
 \newpage