docs: apply suggestions from code review

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type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
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    status: passed
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    status: passed
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    status: passed
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---

Author: headlessNode

lib/node_modules/@stdlib/ndarray/base/pop/docs/repl.txt

@@ -9,7 +9,9 @@
         Input array.
 
     dim: integer
-        Dimension along which to perform the operation.
+        Dimension along which to perform the operation. If provided an integer
+        less than zero, the dimension index is resolved relative to the last
+        dimension, with the last dimension corresponding to the value `-1`.
 
     strict: boolean
         Boolean indicating whether to enforce strict bounds checking.