diff --git a/.typos.toml b/.typos.toml
index 1a07c250d..0f0a0eda4 100644
--- a/.typos.toml
+++ b/.typos.toml
@@ -9,4 +9,7 @@ ists = "ists"
 ispcs = "ispcs"
 eqs = "eqs"
 rhs = "rhs"
-MTK = "MTK"
\ No newline at end of file
+MTK = "MTK"
+
+# NonlinearSolve specific terms
+LSO = "LSO"  # Legitimate abbreviation used in optimization contexts
diff --git a/lib/NonlinearSolveBase/src/descent/geodesic_acceleration.jl b/lib/NonlinearSolveBase/src/descent/geodesic_acceleration.jl
index f7758b1e7..0b3bca1c0 100644
--- a/lib/NonlinearSolveBase/src/descent/geodesic_acceleration.jl
+++ b/lib/NonlinearSolveBase/src/descent/geodesic_acceleration.jl
@@ -6,7 +6,7 @@ geodesic acceleration method. The velocity and acceleration terms are then combi
 compute the descent direction.
 
 This method in its current form was developed for `LevenbergMarquardt`. Performance
-for other methods are not theorectically or experimentally verified.
+for other methods are not theoretically or experimentally verified.
 
 ### Keyword Arguments
 
diff --git a/lib/NonlinearSolveBase/src/tracing.jl b/lib/NonlinearSolveBase/src/tracing.jl
index d090c7c40..c7ae3f542 100644
--- a/lib/NonlinearSolveBase/src/tracing.jl
+++ b/lib/NonlinearSolveBase/src/tracing.jl
@@ -40,7 +40,7 @@ end
 
 !!! warning
 
-    This is very expensive and makes copyies of the Jacobian, u, f(u), and δu.
+    This is very expensive and makes copies of the Jacobian, u, f(u), and δu.
 
 See also [`TraceMinimal`](@ref) and [`TraceWithJacobianConditionNumber`](@ref).
 """